----- Original Message ----- From: "TechNet automatic digest system" <[log in to unmask]> To: <[log in to unmask]> Sent: Wednesday, June 06, 2007 10:30 AM Subject: TechNet Digest - 4 Jun 2007 to 5 Jun 2007 (#2007-170) > There are 28 messages totalling 2186 lines in this issue. > > Topics of the day: > > 1. NTC RE: [TN] Solectron -another one bites the dust (3) > 2. IPC-4101/21 UL94V0 (2) > 3. Microscope camera, I deny pay all that money! (4) > 4. Via Open (8) > 5. hey... (3) > 6. Repair solder mask > 7. Cleaning spring probe tips (4) > 8. [DN] Open Vias (2) > 9. Reflow ovens > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ---------------------------------------------------------------------- > > Date: Mon, 4 Jun 2007 22:51:52 -0700 > From: John Maxwell <[log in to unmask]> > Subject: Re: NTC RE: [TN] Solectron -another one bites the dust > > Many years ago when Honeywell was looking at buying Fairchild > Semiconductor we nicknamed them Farewell Honeychild but Schlumberger > got them instead so they were either Fairchburger or Slumbergerchild. > Then Phillips bought Signetics and they became Siglips which sounded > a lot better than Philnetics. A little very old NSC humor when I was > there a few decades ago. > > John Maxwell > > At 11:59 AM 6/4/2007, you wrote: > >Is that a polite way to describe what is going to happen to some workers > >over the next 24 months??? > > > > >>> [log in to unmask] 06/04/07 03:53PM >>> > >"Sextronics" > > > >You're not supposed to use what is in parentheses. > > > >"Sextronics" > > > > > >Regards, > >George > >George M. Wenger > >Senior Principle FMA / Reliability Engineer > >Wireless network Solutions > >Andrew Corporation, 40 Technology Drive, Warren, NJ 07059 (908) > >546-4531 > >[log in to unmask] > > > > > >-----Original Message----- > >From: TechNet [mailto:[log in to unmask]] On Behalf Of Chris Ball > >Sent: Monday, June 04, 2007 2:50 PM > >To: [log in to unmask] > >Subject: Re: [TN] NTC RE: [TN] Solectron -another one bites the dust > > > >Flolectron? I don't get it... > > > >-Chris > > > > > > > > > > > >John Burke <[log in to unmask]> > >Sent by: TechNet <[log in to unmask]> > >06/04/2007 01:57 PM > >Please respond to > >TechNet E-Mail Forum <[log in to unmask]>; Please respond to John Burke > ><[log in to unmask]> > > > > > >To > >[log in to unmask] > >cc > > > >Subject > >[TN] NTC RE: [TN] Solectron -another one bites the dust > > > > > > > > > > > > > >Well when Hitachi took over the IBM plant in San Jose everyone > >referred > >to > >the new company as "Hibachi". > > > >How long before someone coins a work to describe > >the merger of S (olectron) and (Fl) extronics? > > > > > > > >John Burke > > > >(408) 515 4992 > > > >-----Original Message----- > >From: TechNet [mailto:[log in to unmask]] On Behalf Of Dave Seymour > >Sent: Monday, June 04, 2007 10:15 AM > >To: [log in to unmask] > >Subject: Re: [TN] Solectron -another one bites the dust > > > >News story: > > > >http://money.cnn.com/2007/06/04/technology/flextronics_solectron.reut/?p > > > >ostv > > > >ersion=2007060407 > > > >Dwight Mattix wrote: > > > > > standby for the usual round of post consolidation plant closures and > > > > > layoffs. > > > > > > At 08:20 AM 6/4/2007, you wrote: > > > > > >> Interesting industry news bulletin out on the wires this morning: > > >> Solectron > > >> has been purchased by Flextronics for $3.6 Billion. Consolidation > > > > >> of Tier 1 > > >> CEMs continue. > > >> > > >> Phil Zarrow > > >> ITM Consulting > > >> Durham, NH USA > > >> www.ITMconsulting.org > > >> > > >> > > >> > > >> ************************************** See what's free at > > >> http://www.aol.com. > > >> > > >> --------------------------------------------------- > > >> Technet Mail List provided as a service by IPC using LISTSERV 15.0 > > >> To unsubscribe, send a message to [log in to unmask] with following > > >> text in > > >> the BODY (NOT the subject field): SIGNOFF Technet > > >> To temporarily halt or (re-start) delivery of Technet send e-mail to > > > > >> [log in to unmask]: SET Technet NOMAIL or (MAIL) > > >> To receive ONE mailing per day of all the posts: send e-mail to > > >> [log in to unmask]: SET Technet Digest > > >> Search the archives of previous posts at: > > >> http://listserv.ipc.org/archives > > >> Please visit IPC web site > > >> http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > > >> information, or contact Keach Sasamori at [log in to unmask] or > > >> 847-615-7100 ext.2815 > > >> ----------------------------------------------------- > > > > > > > > > --------------------------------------------------- > > > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > > > To unsubscribe, send a message to [log in to unmask] with following > >text > > > >in > > > the BODY (NOT the subject field): SIGNOFF Technet > > > To temporarily halt or (re-start) delivery of Technet send e-mail to > > > > > [log in to unmask]: SET Technet NOMAIL or (MAIL) > > > To receive ONE mailing per day of all the posts: send e-mail to > > > [log in to unmask]: SET Technet Digest > > > Search the archives of previous posts at: > > > http://listserv.ipc.org/archives > > > Please visit IPC web site > > > http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > > > information, or contact Keach Sasamori at [log in to unmask] or > > > 847-615-7100 ext.2815 > > > ----------------------------------------------------- > > > > > > >-- > >Dave Seymour, CID+ > >Catapult Communications Inc. > >800 Perimeter Park Dr, Suite A > >Morrisville, NC 27560 > > > >Direct: (919)653-4249 > >Main: (919)653-4180 > >Fax: (919)653-4297 > > > >[log in to unmask] > > > >--------------------------------------------------- > >Technet Mail List provided as a service by IPC using LISTSERV 15.0 > >To unsubscribe, send a message to [log in to unmask] with following text > >in > >the BODY (NOT the subject field): SIGNOFF Technet > >To temporarily halt or (re-start) delivery of Technet send e-mail to > >[log in to unmask]: SET Technet NOMAIL or (MAIL) > >To receive ONE mailing per day of all the posts: send e-mail to > >[log in to unmask]: SET Technet Digest > >Search the archives of previous posts at: > >http://listserv.ipc.org/archives > >Please visit IPC web site > >http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > >for additional information, or contact Keach Sasamori at [log in to unmask] > > > >or > >847-615-7100 ext.2815 > >----------------------------------------------------- > > > >--------------------------------------------------- > >Technet Mail List provided as a service by IPC using LISTSERV 15.0 > >To unsubscribe, send a message to [log in to unmask] with following text > >in > >the BODY (NOT the subject field): SIGNOFF Technet > >To temporarily halt or (re-start) delivery of Technet send e-mail to > >[log in to unmask]: SET Technet NOMAIL or (MAIL) > >To receive ONE mailing per day of all the posts: send e-mail to > >[log in to unmask]: SET Technet Digest > >Search the archives of previous posts at: > >http://listserv.ipc.org/archives > >Please visit IPC web site > >http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > >for additional information, or contact Keach Sasamori at [log in to unmask] > > > >or > >847-615-7100 ext.2815 > >----------------------------------------------------- > > > > > > > > > >"This e-mail message is 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additional > >information, or contact Keach Sasamori at [log in to unmask] or > >847-615-7100 > >ext.2815 > >----------------------------------------------------- > > > >--------------------------------------------------------------------------- --------------------- > >This message is for the designated recipient only and may > >contain privileged, proprietary, or otherwise private information. > >If you have received it in error, please notify the sender > >immediately and delete the original. Any unauthorized use of > >this email is prohibited. > >--------------------------------------------------------------------------- --------------------- > >[mf2] > > > > > >--------------------------------------------------- > >Technet Mail List provided as a service by IPC using LISTSERV 15.0 > >To unsubscribe, send a message to [log in to unmask] with following text > >in > >the BODY (NOT the subject field): SIGNOFF Technet > >To temporarily halt or (re-start) delivery of Technet send e-mail to > >[log in to unmask]: SET Technet NOMAIL or (MAIL) > >To receive ONE mailing per day of all the posts: send e-mail to > >[log in to unmask]: SET Technet Digest > >Search the archives of previous posts at: > >http://listserv.ipc.org/archives > >Please visit IPC web site > >http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > >information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > >ext.2815 > >----------------------------------------------------- > > > >--------------------------------------------------- > >Technet Mail List provided as a service by IPC using LISTSERV 15.0 > >To unsubscribe, send a message to [log in to unmask] with following text in > >the BODY (NOT the subject field): SIGNOFF Technet > >To temporarily halt or (re-start) delivery of Technet send e-mail to > >[log in to unmask]: SET Technet NOMAIL or (MAIL) > >To receive ONE mailing per day of all the posts: send e-mail to > >[log in to unmask]: SET Technet Digest > >Search the archives of previous posts at: http://listserv.ipc.org/archives > >Please visit IPC web site > >http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > >information, or contact Keach Sasamori at [log in to unmask] or > >847-615-7100 ext.2815 > >----------------------------------------------------- > > > > > >-- > >Internal Virus Database is out-of-date. > >Checked by AVG Free Edition. > >Version: 7.5.446 / Virus Database: 269.8.0/820 - Release Date: > >5/27/2007 12:31 PM > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 00:01:57 -0700 > From: Bob Barr <[log in to unmask]> > Subject: Re: NTC RE: [TN] Solectron -another one bites the dust > > On Mon, 4 Jun 2007 22:51:52 -0700, John Maxwell wrote: > > >Many years ago when Honeywell was looking at buying Fairchild > >Semiconductor we nicknamed them Farewell Honeychild but Schlumberger > >got them instead so they were either Fairchburger or Slumbergerchild. > >Then Phillips bought Signetics and they became Siglips which sounded > >a lot better than Philnetics. A little very old NSC humor when I was > >there a few decades ago. > > > >John Maxwell > > > > I was working in Fairchild's Test Systems Group at the time of the > buyout. Many of us called the new parent 'Slumburger' with a > thoroughly American pronunciation. :=) > > > Regards, Bob > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 08:12:15 +0100 > From: Alistair Murray <[log in to unmask]> > Subject: Re: IPC-4101/21 UL94V0 > > Kevin > I think that you will find that all /21 laminate will have a VO rating > e.g. check out Isola 104i laminate. > > Regards > > Alistair Murray > Technical Manager > Artetch Circuits Ltd=20 > UK > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Kevin Glidden > Sent: 04 June 2007 19:28 > To: [log in to unmask] > Subject: [TN] IPC-4101/21 UL94V0 > > Does anyone know if IPC4101/21 material is available in a UL94V0 rating? > IPC 4101 says it is UL94V1 MINIMUM...Does that mean it is available in > V0? > =20 > Also, can anyone offer general info on what factors affect selection of > materials: e glass, woven/non-woven, cellulose paper, etc.. > =20 > Thanks again, > =20 > Kevin Glidden > Manufacturing Engineer > Luminescent Systems Inc. > =20 > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET > Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the > posts: send e-mail to [log in to unmask]: SET Technet Digest Search the > archives of previous posts at: http://listserv.ipc.org/archives Please > visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 = > for > additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 04:41:42 EDT > From: Joe Fjelstad <[log in to unmask]> > Subject: Re: NTC RE: [TN] Solectron -another one bites the dust > > There there was Lockheed Martin merger. > > Early choice was LockMart > > then with the addition of Loral the choice moved to Lo_Ma_Ral > > Joe > > > > ************************************** See what's free at http://www.aol.com. > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 16:53:12 +0800 > From: =?utf-8?B?572X6bmP6L6J?= <[log in to unmask]> > Subject: Re: IPC-4101/21 UL94V0 > > VGhlIHJlcXVpcmVtZW50IG9mIGZsYW1tYWJpbGl0eSBpcyBWMCByYXRpbmcgbWluaW11bSBpbiB0 > aGUgbmV3IHZlcnNpb24gb2YgSVBDNDEwMS8yMS4NCg0KYmVzdCByZWdhcmRzLg0KDQplbWlseSBs > 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Yy5vcmc6IFNFVCBUZWNobmV0IE5PTUFJTCBvciAoTUFJTCkNClRvIHJlY2VpdmUgT05FIG1haWxp > bmcgcGVyIGRheSBvZiBhbGwgdGhlIHBvc3RzOiBzZW5kIGUtbWFpbCB0byBMaXN0c2VydkBpcGMu > b3JnOiBTRVQgVGVjaG5ldCBEaWdlc3QNClNlYXJjaCB0aGUgYXJjaGl2ZXMgb2YgcHJldmlvdXMg > cG9zdHMgYXQ6IGh0dHA6Ly9saXN0c2Vydi5pcGMub3JnL2FyY2hpdmVzDQpQbGVhc2UgdmlzaXQg > SVBDIHdlYiBzaXRlIGh0dHA6Ly93d3cuaXBjLm9yZy9jb250ZW50cGFnZS5hc3A/UGFnZWlkPTQu > My4xNiBmb3IgYWRkaXRpb25hbCBpbmZvcm1hdGlvbiwgb3IgY29udGFjdCBLZWFjaCBTYXNhbW9y > aSBhdCBzYXNha29AaXBjLm9yZyBvciA4NDctNjE1LTcxMDAgZXh0LjI4MTUNCi0tLS0tLS0tLS0t > LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t > > ------------------------------ > > Date: Tue, 5 Jun 2007 08:37:03 -0500 > From: "Stadem, Richard D." <[log in to unmask]> > Subject: Re: Microscope camera, I deny pay all that money! > > Industrial Products Group makes a superb inspection system that operates > much like a microscope but has a small display monitor that is so clear > it is unreal. The entire system is less than $3k. Totally eliminates > operator fatigue from staring down the pod. It comes with framegrabber > software, etc. You might want to check them out at > http://www.ppsindprod.com/catalog/index.cfm?view=3Dpackages. They make = > all > kinds of automatic inspection systems, laser soldering systems, etc. > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Hfjord > Sent: Friday, June 01, 2007 12:47 PM > To: [log in to unmask] > Subject: [TN] Microscope camera, I deny pay all that money! > > Hi, is there possibly a subdivision for skinflints in TechNet? > I want a good microscope camera and a program for PC. There are numerous > of brands, most of them very good, like Olympus, Nikon, Kappa etc. But > the price! 5,000 USD and up. It's robbery. You get a super system SLR > digital camera for 1,000. Much more advanced than a microscope camera. > The microscope camera does not even use a advanced lense, the projection > just leaves the trinocular and hit the chip. There must be a way to buy > good digital stuff and put together with a cheap image processing > program. You may buy a cheap digital camera, design a C-ring adapter and > use the framegrabber in Pinnacle 10, just one example. Won't cost more > than 1,000. I know in principal what to do, but there use to be people > who are very creative on these things. Anyone who have a good proposal? > > The cheapskate > > Inge > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET > Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the > posts: send e-mail to [log in to unmask]: SET Technet Digest Search the > archives of previous posts at: http://listserv.ipc.org/archives Please > visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 = > for > additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 08:56:50 -0500 > From: "Victor G. Hernandez" <[log in to unmask]> > Subject: Re: Microscope camera, I deny pay all that money! > > Dan, New twist on microscope inspection tool. > > Victor, > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D. > Sent: Tuesday, June 05, 2007 8:37 AM > To: [log in to unmask] > Subject: Re: [TN] Microscope camera, I deny pay all that money! > > Industrial Products Group makes a superb inspection system that operates > much like a microscope but has a small display monitor that is so clear > it is unreal. The entire system is less than $3k. Totally eliminates > operator fatigue from staring down the pod. It comes with framegrabber > software, etc. You might want to check them out at > http://www.ppsindprod.com/catalog/index.cfm?view=3Dpackages. They make = > all > kinds of automatic inspection systems, laser soldering systems, etc. > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Hfjord > Sent: Friday, June 01, 2007 12:47 PM > To: [log in to unmask] > Subject: [TN] Microscope camera, I deny pay all that money! > > Hi, is there possibly a subdivision for skinflints in TechNet? > I want a good microscope camera and a program for PC. There are numerous > of brands, most of them very good, like Olympus, Nikon, Kappa etc. But > the price! 5,000 USD and up. It's robbery. You get a super system SLR > digital camera for 1,000. Much more advanced than a microscope camera. > The microscope camera does not even use a advanced lense, the projection > just leaves the trinocular and hit the chip. There must be a way to buy > good digital stuff and put together with a cheap image processing > program. You may buy a cheap digital camera, design a C-ring adapter and > use the framegrabber in Pinnacle 10, just one example. Won't cost more > than 1,000. I know in principal what to do, but there use to be people > who are very creative on these things. Anyone who have a good proposal? > > The cheapskate > > Inge > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET > Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the > posts: send e-mail to [log in to unmask]: SET Technet Digest Search the > archives of previous posts at: http://listserv.ipc.org/archives Please > visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 = > for > additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text > in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: > http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 10:13:55 -0400 > From: Tom Parkinson <[log in to unmask]> > Subject: Via Open > > Tech Net & Designer Net > > Greetings. We are running into a situation on Lead Free processed PCBs. > Failure mode is finding open vias during unit testing (fully populated). > > Boards are Tg170, Material type EM320, 0.063" thick boards. =20 > 6 layers of 1 oz copper. ENIG 3~5u" > > Suspect vias go from top layer to bottom layer only. > > After running through reflow, we have found vias open. No visual signs = > of > delamination, however when ohming out the via, if we press on the via we = > get > continuity - thus we suspect the vias are opening during the process. > > Anyone out there having these problems, or information concerning this > failure mode? Z-expansion failure? > > > Tom Parkinson=20 > Quality System Manager - CIT > WinTronics, Inc. > Phone: 724-981-5770 - extension 235 > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 14:17:43 -0000 > From: Ivanoe Pedruzzi <[log in to unmask]> > Subject: hey... > > I'm back guys....so good to hear from you again. I couldn't stand any longer away from this forum. I guess I am TechNet addicted. Is it something i should get worried? :))) > > Ahhh, I feel at home now. It has been almost six months without getting any grip on electronics assembly. Anything news so far? John: how did it go with the lead exemption on ROHS? > > I missed you guys..i know it is unbelievable ....i'm almost up for a crazy house. > > Kisses to all the ladies on the Technet > Ivan > > -------------------------------------------------------------------------- -- > Vuoi rendere inaccessibili agli altri i tuoi documenti riservati? > Prova Ksek! Il potente software di cifratura di Interfree. > > Scopri le sue funzionalita': http://ksek.interfree.it/ > > Lo Staff di Interfree > -------------------------------------------------------------------------- -- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 16:31:30 +0200 > From: Hernefjord Ingemar <[log in to unmask]> > Subject: Re: Microscope camera, I deny pay all that money! > > Very interesting mutant. Price is reasonable, would like to see one, but > there is none seller nearby. > Couldn't figure out if the camera was video or digital, probably video, > because they mention grabber. You don't obtain pixels like with a > digital camera, more noise etc. > Inge=20 > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D. > Sent: den 5 juni 2007 15:37 > To: [log in to unmask] > Subject: Re: [TN] Microscope camera, I deny pay all that money! > > Industrial Products Group makes a superb inspection system that operates > much like a microscope but has a small display monitor that is so clear > it is unreal. The entire system is less than $3k. Totally eliminates > operator fatigue from staring down the pod. It comes with framegrabber > software, etc. You might want to check them out at > http://www.ppsindprod.com/catalog/index.cfm?view=3Dpackages. They make = > all > kinds of automatic inspection systems, laser soldering systems, etc. > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Hfjord > Sent: Friday, June 01, 2007 12:47 PM > To: [log in to unmask] > Subject: [TN] Microscope camera, I deny pay all that money! > > Hi, is there possibly a subdivision for skinflints in TechNet? > I want a good microscope camera and a program for PC. There are numerous > of brands, most of them very good, like Olympus, Nikon, Kappa etc. But > the price! 5,000 USD and up. It's robbery. You get a super system SLR > digital camera for 1,000. Much more advanced than a microscope camera. > The microscope camera does not even use a advanced lense, the projection > just leaves the trinocular and hit the chip. There must be a way to buy > good digital stuff and put together with a cheap image processing > program. You may buy a cheap digital camera, design a C-ring adapter and > use the framegrabber in Pinnacle 10, just one example. Won't cost more > than 1,000. I know in principal what to do, but there use to be people > who are very creative on these things. Anyone who have a good proposal? > > The cheapskate > > Inge > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET > Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the > posts: send e-mail to [log in to unmask]: SET Technet Digest Search the > archives of previous posts at: http://listserv.ipc.org/archives Please > visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 = > for > additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET > Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the > posts: send e-mail to [log in to unmask]: SET Technet Digest Search the > archives of previous posts at: http://listserv.ipc.org/archives Please > visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 = > for > additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 16:36:01 +0200 > From: Hernefjord Ingemar <[log in to unmask]> > Subject: Re: hey... > > Ivan, > > I read recently, that Werner Engelmaier was funny for one day..a lot of > us didn't know he had humor. > Inge=20 > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Ivanoe Pedruzzi > Sent: den 5 juni 2007 16:18 > To: [log in to unmask] > Subject: [TN] hey... > > I'm back guys....so good to hear from you again. I couldn't stand any > longer away from this forum. I guess I am TechNet addicted. Is it > something i should get worried? :))) > > Ahhh, I feel at home now. It has been almost six months without getting > any grip on electronics assembly. Anything news so far? John: how did it > go with the lead exemption on ROHS? > > I missed you guys..i know it is unbelievable ....i'm almost up for a > crazy house. > > Kisses to all the ladies on the Technet > Ivan > > ------------------------------------------------------------------------ > ---- > Vuoi rendere inaccessibili agli altri i tuoi documenti riservati? > Prova Ksek! Il potente software di cifratura di Interfree. > > Scopri le sue funzionalita': http://ksek.interfree.it/ > > Lo Staff di Interfree > ------------------------------------------------------------------------ > ---- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET > Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the > posts: send e-mail to [log in to unmask]: SET Technet Digest Search the > archives of previous posts at: http://listserv.ipc.org/archives Please > visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 = > for > additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 07:43:58 -0700 > From: Dwight Mattix <[log in to unmask]> > Subject: Re: Via Open > > You need to get some x-sections going. Might be more conventional plated > hole wall defects in play. > > However, on the subject of EM320. > Are you using EM320 (dicy cured) of EM320LF (phenolic cured for pb free assy)? > > There's a big difference in survivability between these two similarly named > materials. I strongly recommend use of the EM320LF if you're soldering at > Pb-free temps. > > We've had good luck with EM320LF in several designs we've converted to > Pb-free in this thickness range.. Designs have ranged from 1mm thick 2+4+2 > stacked uVia to 0.093" single lam plated through hole 10 layer. They've > done well through 1000+ cycles (150C) of IST after 3x, 6x, 9x IST > pre-conditioning at 260C (the uVia design went to 2000 cycles w/out failure). > > dw > > > At 07:13 AM 6/5/2007, Tom Parkinson wrote: > >Tech Net & Designer Net > > > >Greetings. We are running into a situation on Lead Free processed PCBs. > >Failure mode is finding open vias during unit testing (fully populated). > > > >Boards are Tg170, Material type EM320, 0.063" thick boards. > >6 layers of 1 oz copper. ENIG 3~5u" > > > >Suspect vias go from top layer to bottom layer only. > > > >After running through reflow, we have found vias open. No visual signs of > >delamination, however when ohming out the via, if we press on the via we get > >continuity - thus we suspect the vias are opening during the process. > > > >Anyone out there having these problems, or information concerning this > >failure mode? Z-expansion failure? > > > > > >Tom Parkinson > >Quality System Manager - CIT > >WinTronics, Inc. > >Phone: 724-981-5770 - extension 235 > > > >--------------------------------------------------- > >Technet Mail List provided as a service by IPC using LISTSERV 15.0 > >To unsubscribe, send a message to [log in to unmask] with following text in > >the BODY (NOT the subject field): SIGNOFF Technet > >To temporarily halt or (re-start) delivery of Technet send e-mail to > >[log in to unmask]: SET Technet NOMAIL or (MAIL) > >To receive ONE mailing per day of all the posts: send e-mail to > >[log in to unmask]: SET Technet Digest > >Search the archives of previous posts at: http://listserv.ipc.org/archives > >Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > >for additional information, or contact Keach Sasamori at [log in to unmask] or > >847-615-7100 ext.2815 > >----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 10:52:12 -0400 > From: Kevin Glidden <[log in to unmask]> > Subject: Re: Microscope camera, I deny pay all that money! > > We use this: http://www.ocwhite.com/html/superscope.html > > Just be careful with these monitor type systems. Some optical quality gets > "lost in translation" to the monitor. This unit is still very clear, but it > is a different sort of "clear" as compared to a true optical as through a > microscope. The operators disliked this unit so much we now use it in the > technicians area only, and the operators are back to their Mantis systems. > > > Kevin Glidden > Manufacturing Engineer > Luminescent Systems Inc. > > -----Original Message----- > From: Hernefjord Ingemar [mailto:[log in to unmask]] > Sent: Tuesday, June 05, 2007 10:32 AM > To: [log in to unmask] > Subject: Re: [TN] Microscope camera, I deny pay all that money! > > Very interesting mutant. Price is reasonable, would like to see one, but > there is none seller nearby. > Couldn't figure out if the camera was video or digital, probably video, > because they mention grabber. You don't obtain pixels like with a digital > camera, more noise etc. > Inge > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D. > Sent: den 5 juni 2007 15:37 > To: [log in to unmask] > Subject: Re: [TN] Microscope camera, I deny pay all that money! > > Industrial Products Group makes a superb inspection system that operates > much like a microscope but has a small display monitor that is so clear it > is unreal. The entire system is less than $3k. Totally eliminates operator > fatigue from staring down the pod. It comes with framegrabber software, etc. > You might want to check them out at > http://www.ppsindprod.com/catalog/index.cfm?view=packages. They make all > kinds of automatic inspection systems, laser soldering systems, etc. > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Hfjord > Sent: Friday, June 01, 2007 12:47 PM > To: [log in to unmask] > Subject: [TN] Microscope camera, I deny pay all that money! > > Hi, is there possibly a subdivision for skinflints in TechNet? > I want a good microscope camera and a program for PC. There are numerous of > brands, most of them very good, like Olympus, Nikon, Kappa etc. But the > price! 5,000 USD and up. It's robbery. You get a super system SLR digital > camera for 1,000. Much more advanced than a microscope camera. > The microscope camera does not even use a advanced lense, the projection > just leaves the trinocular and hit the chip. There must be a way to buy good > digital stuff and put together with a cheap image processing program. You > may buy a cheap digital camera, design a C-ring adapter and use the > framegrabber in Pinnacle 10, just one example. Won't cost more than 1,000. > I know in principal what to do, but there use to be people who are very > creative on these things. Anyone who have a good proposal? > > The cheapskate > > Inge > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in the > BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet > NOMAIL or (MAIL) To receive ONE mailing per day of all the > posts: send e-mail to [log in to unmask]: SET Technet Digest Search the > archives of previous posts at: http://listserv.ipc.org/archives Please visit > IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in the > BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet > NOMAIL or (MAIL) To receive ONE mailing per day of all the > posts: send e-mail to [log in to unmask]: SET Technet Digest Search the > archives of previous posts at: http://listserv.ipc.org/archives Please visit > IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 To > unsubscribe, send a message to [log in to unmask] with following text in the > BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet > NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send > e-mail to [log in to unmask]: SET Technet Digest Search the archives of > previous posts at: http://listserv.ipc.org/archives Please visit IPC web > site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 11:03:00 EDT > From: Werner Engelmaier <[log in to unmask]> > Subject: Re: Via Open > > Hi Tom, > Not very surprising. > Via barrel failures come from the thermal expansion mismatch of the PCB in > the z-direction and the ED copper of the barrel wall. > You need good ductility Cu plating of adequate thickness. > I have found that at least some ENIG coatings in the vias further reduce > their ability to withstand this expension mismatch. > > > > Werner > > > > ************************************** > See what's free at http://www.aol.com. > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 11:11:12 -0400 > From: Lee parker <[log in to unmask]> > Subject: Re: Via Open > > Tom > > This sounds as if the the thickness of the hole wall copper is deficient. I > would make some cross sections. Many OEMs require representative cross > sections of the smallest hole be included with each shipment and the check > on some kind of declining frequency. > > Best regards > > Lee > > J. Lee Parker, Ph.D. > JLP Consultants LLC > 804 779 3389 > > > ----- Original Message ----- > From: "Tom Parkinson" <[log in to unmask]> > To: <[log in to unmask]> > Sent: Tuesday, June 05, 2007 10:13 AM > Subject: [TN] Via Open > > > Tech Net & Designer Net > > Greetings. We are running into a situation on Lead Free processed PCBs. > Failure mode is finding open vias during unit testing (fully populated). > > Boards are Tg170, Material type EM320, 0.063" thick boards. > 6 layers of 1 oz copper. ENIG 3~5u" > > Suspect vias go from top layer to bottom layer only. > > After running through reflow, we have found vias open. No visual signs of > delamination, however when ohming out the via, if we press on the via we get > continuity - thus we suspect the vias are opening during the process. > > Anyone out there having these problems, or information concerning this > failure mode? Z-expansion failure? > > > Tom Parkinson > Quality System Manager - CIT > WinTronics, Inc. > Phone: 724-981-5770 - extension 235 > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > for additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 11:38:45 -0400 > From: Kerry McMullen <[log in to unmask]> > Subject: Re: Via Open > > Hi Tom, > Check the plating spec on the fab. The plating thickness in the via's > should be specified at 0.001" absolute minimum if you are going with LF > processes, regardless of the board material. (That is what I am told). I > have made this change on my large 18+ layer boards, and my quality/yields > have increased, and my opens have practically diappeared. > > Kerry McMullen > Principal New Product Mfg. Engineer > LTX Corporation > 825 University Avenue > Norwood, MA 02062-2643 > (T) 781-467-5468 > (C) 508-631-1832 > (F) 781-461-0993 > > > > Tom Parkinson <[log in to unmask]> > Sent by: TechNet <[log in to unmask]> > 06/05/2007 10:13 AM > Please respond to > TechNet E-Mail Forum <[log in to unmask]>; Please respond to > Tom Parkinson <[log in to unmask]> > > > To > [log in to unmask] > cc > > Subject > [TN] Via Open > > > > > > > Tech Net & Designer Net > > Greetings. We are running into a situation on Lead Free processed PCBs. > Failure mode is finding open vias during unit testing (fully populated). > > Boards are Tg170, Material type EM320, 0.063" thick boards. > 6 layers of 1 oz copper. ENIG 3~5u" > > Suspect vias go from top layer to bottom layer only. > > After running through reflow, we have found vias open. No visual signs of > delamination, however when ohming out the via, if we press on the via we > get > continuity - thus we suspect the vias are opening during the process. > > Anyone out there having these problems, or information concerning this > failure mode? Z-expansion failure? > > > Tom Parkinson > Quality System Manager - CIT > WinTronics, Inc. > Phone: 724-981-5770 - extension 235 > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > for additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 11:52:34 -0400 > From: Paymon Sani <[log in to unmask]> > Subject: Re: Via Open > > Hello Tom, > > I have more questions than answers at this time. Is this the first time > that this board failed? Or is this a new product that you build a few > prototypes? What is the FHS that is affected? What is the copper plating > thickness in the vias? What is the peak reflow temperature? How many > layers is the PCB? What is the material in each layer? > > I suggest that you contact PWB Interconnect Solutions for their advice. > We used their services to improve our product quality and reliability in > the past. You can find them at the attached link: > http://www.maxdbc.net/pwb/ > > Hope this helps, > Paymon > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Tom Parkinson > Sent: June 5, 2007 10:14 AM > To: [log in to unmask] > Subject: [TN] Via Open > > Tech Net & Designer Net > > Greetings. We are running into a situation on Lead Free processed PCBs. > Failure mode is finding open vias during unit testing (fully populated). > > Boards are Tg170, Material type EM320, 0.063" thick boards. =20 > 6 layers of 1 oz copper. ENIG 3~5u" > > Suspect vias go from top layer to bottom layer only. > > After running through reflow, we have found vias open. No visual signs > of > delamination, however when ohming out the via, if we press on the via we > get > continuity - thus we suspect the vias are opening during the process. > > Anyone out there having these problems, or information concerning this > failure mode? Z-expansion failure? > > > Tom Parkinson=20 > Quality System Manager - CIT > WinTronics, Inc. > Phone: 724-981-5770 - extension 235 > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text > in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: > http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > -------------------------------------------------------------------------= > -------------- > Confidentiality Notice > > This e-mail and any attachment(s) are intended for the individual or = > entity to which this email is addressed and may contain information that = > is confidential. If you are not the intended recipient or an employee = > or agent responsible for delivering this e-mail to the intended = > recipient, please be aware that any dissemination, distribution or = > copying of this communication is strictly prohibited. If you have = > received this in error, please notify the sender by telephone at = > 604.430.4336 or by return e-mail, and please delete or destroy all = > copies of this communication. Thank you! > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 09:10:26 -0700 > From: Dwight Mattix <[log in to unmask]> > Subject: Re: Via Open > > At 08:38 AM 6/5/2007, Kerry McMullen wrote: > >Hi Tom, > >Check the plating spec on the fab. The plating thickness in the via's > >should be specified at 0.001" absolute minimum if you are going with LF > >processes, regardless of the board material. > > (That is what I am told). > > Class 2, 0.0008" minimum on PTH has been fine in our IST Pb-free qual > work. Quality of drill/roughness, hole prep, electroless Cu > grain/porosity, and electrolytic Cu ductility is much more important. > > > I > >have made this change on my large 18+ layer boards, and my quality/yields > >have increased, and my opens have practically diappeared. > > > >Kerry McMullen > >Principal New Product Mfg. Engineer > >LTX Corporation > >825 University Avenue > >Norwood, MA 02062-2643 > >(T) 781-467-5468 > >(C) 508-631-1832 > >(F) 781-461-0993 > > > > > > > >Tom Parkinson <[log in to unmask]> > >Sent by: TechNet <[log in to unmask]> > >06/05/2007 10:13 AM > >Please respond to > >TechNet E-Mail Forum <[log in to unmask]>; Please respond to > >Tom Parkinson <[log in to unmask]> > > > > > >To > >[log in to unmask] > >cc > > > >Subject > >[TN] Via Open > > > > > > > > > > > > > >Tech Net & Designer Net > > > >Greetings. We are running into a situation on Lead Free processed PCBs. > >Failure mode is finding open vias during unit testing (fully populated). > > > >Boards are Tg170, Material type EM320, 0.063" thick boards. > >6 layers of 1 oz copper. ENIG 3~5u" > > > >Suspect vias go from top layer to bottom layer only. > > > >After running through reflow, we have found vias open. No visual signs of > >delamination, however when ohming out the via, if we press on the via we > >get > >continuity - thus we suspect the vias are opening during the process. > > > >Anyone out there having these problems, or information concerning this > >failure mode? Z-expansion failure? > > > > > >Tom Parkinson > >Quality System Manager - CIT > >WinTronics, Inc. > >Phone: 724-981-5770 - extension 235 > > > >--------------------------------------------------- > >Technet Mail List provided as a service by IPC using LISTSERV 15.0 > >To unsubscribe, send a message to [log in to unmask] with following text in > >the BODY (NOT the subject field): SIGNOFF Technet > >To temporarily halt or (re-start) delivery of Technet send e-mail to > >[log in to unmask]: SET Technet NOMAIL or (MAIL) > >To receive ONE mailing per day of all the posts: send e-mail to > >[log in to unmask]: SET Technet Digest > >Search the archives of previous posts at: http://listserv.ipc.org/archives > >Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > >for additional information, or contact Keach Sasamori at [log in to unmask] or > >847-615-7100 ext.2815 > >----------------------------------------------------- > > > > > >--------------------------------------------------- > >Technet Mail List provided as a service by IPC using LISTSERV 15.0 > >To unsubscribe, send a message to [log in to unmask] with following text in > >the BODY (NOT the subject field): SIGNOFF Technet > >To temporarily halt or (re-start) delivery of Technet send e-mail to > >[log in to unmask]: SET Technet NOMAIL or (MAIL) > >To receive ONE mailing per day of all the posts: send e-mail to > >[log in to unmask]: SET Technet Digest > >Search the archives of previous posts at: http://listserv.ipc.org/archives > >Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > >for additional information, or contact Keach Sasamori at [log in to unmask] or > >847-615-7100 ext.2815 > >----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 14:10:06 EDT > From: Werner Engelmaier <[log in to unmask]> > Subject: Re: hey... > > Ivan, > There you go again, sex discriminating......"Kisses to all the ladies on the= > =20 > Technet"=E2=80=94a proper 'Ivan' would kiss the guys too. > > > > Werner > > > > ************************************** > See what's free at http://www.aol.com. > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 21:31:21 +0300 > From: Reuven Rokah <[log in to unmask]> > Subject: Re: Via Open > > Hi Werner, > > Also process chemicals accumulate during PCBs production and not cleaned > properly.=20 > Best Regards > Reuven ROKAH=20 > > e mail: [log in to unmask] > > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Werner Engelmaier > Sent: Tuesday, June 05, 2007 6:03 PM > To: [log in to unmask] > Subject: Re: [TN] Via Open > > Hi Tom, > Not very surprising. > Via barrel failures come from the thermal expansion mismatch of the PCB > in=20 > the z-direction and the ED copper of the barrel wall. > You need good ductility Cu plating of adequate thickness. > I have found that at least some ENIG coatings in the vias further reduce > > their ability to withstand this expension mismatch. > > > > Werner > > > > ************************************** > See what's free at http://www.aol.com. > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text > in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: > http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 14:51:04 -0400 > From: "Tempea, Ioan" <[log in to unmask]> > Subject: Repair solder mask > > Hi Technos, > > I am not so happy with this product, = > http://www.mgchemicals.com/products/4190gp.html dries too fast if not = > applied directly with the pen. Some touch-ups have to be done in places = > where the pen cannot reach and if we try to squirt a little bit of mask = > on the pick, it dries on the spot. > > What kind of solder masks are you using for repair? I am looking for = > something that dries relatively (but not too) fast and does not require = > UV curing. > > Thanks, > > Ioan > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 12:15:23 -0700 > From: R Sedlak <[log in to unmask]> > Subject: Re: Cleaning spring probe tips > > Jim: > Send me some if your pogo pins, I will clean them up and return them to you using a chemical we developed just for this purpose, cleverly called "ProbeWash"... > > Rudy Sedlak > RD Chemical Company > 1350 Pear Ave. > Mountain View, CA 94043 > 650-962-8004 > > James Verrette <[log in to unmask]> wrote: What is the best way to clean the tips of pogo pin probes? Most of the > manufacturers say just replace them, but we are running high volume with > SnPb HASL finished boards. Some test points have filled vias in the > center so we have some crown points. How many cycles are others out > there getting for their ICT probes? We are seeing contact issues after > about 4000 cycles. I am looking for something that can be done daily of > after every lot to stop the yield from dropping off. > > > > Jim Verrette > > Electrical Engineer > > > > > > > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > > > --------------------------------- > Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: mail, news, photos & more. > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 15:47:07 -0400 > From: Tom Parkinson <[log in to unmask]> > Subject: Re: [DN] Open Vias > > To all that responded to my plea for information on open vias on a lead free > assembly - Thank You ! > > I now have more information to go back to the board house and get the > answers needed. > > Again - Thanks. It's really nice having all of you just an e-mail away. > > Tom > > > > Tom Parkinson > Quality System Manager - CIT > WinTronics, Inc. > Phone: 724-981-5770 - extension 235 > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 16:47:03 EDT > From: Werner Engelmaier <[log in to unmask]> > Subject: Re: [DN] Open Vias > > Hi Tom,=20 > I give a workshop on this subject=E2=80=94you can find the outline at my web= > site. > > Regards, > Werner Engelmaier > Engelmaier Associates, L.C. > Electronic Packaging, Interconnection and Reliability Consulting > 7 Jasmine Run > Ormond Beach, FL 32174 USA > Phone: 386-437-8747, Cell: 386-316-5904 > E-mail: [log in to unmask], Website: www.engelmaier.com > > > > ************************************** > See what's free at http://www.aol.com. > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 17:31:26 -0400 > From: James Verrette <[log in to unmask]> > Subject: Re: Cleaning spring probe tips > > I was looking for something that could be done with the probes in the > fixture. Our CM uses a soft brush and compressed air to do PM on their > ICT fixtures. Compressed air just makes the stuff fly everywhere. > > =20 > > -Jim > > =20 > > ________________________________ > > From: R Sedlak [mailto:[log in to unmask]]=20 > Sent: Tuesday, June 05, 2007 3:15 PM > To: TechNet E-Mail Forum; James Verrette > Subject: Re: [TN] Cleaning spring probe tips > > =20 > > Jim: =20 > Send me some if your pogo pins, I will clean them up and return them to > you using a chemical we developed just for this purpose, cleverly called > "ProbeWash"... > > Rudy Sedlak > RD Chemical Company > 1350 Pear Ave. > Mountain View, CA 94043 > 650-962-8004 > > James Verrette <[log in to unmask]> wrote: > > What is the best way to clean the tips of pogo pin probes? Most of the > manufacturers say just replace them, but we are running high volume with > SnPb HASL finished boards. Some test points have filled vias in the > center so we have some crown points. How many cycles are others out > there getting for their ICT probes? We are seeing contact issues after > about 4000 cycles. I am looking for something that can be done daily of > after every lot to stop the yield from dropping off. > > > > Jim Verrette > > Electrical Engineer > > > > > > > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text > in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: > http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > =20 > > =20 > > ________________________________ > > Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: > <http://us.rd.yahoo.com/evt=3D48253/*http:/mobile.yahoo.com/go?refer=3D1G= > NXI > C> mail, news, photos & more.=20 > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 16:26:15 -0500 > From: Kathy Kuhlow <[log in to unmask]> > Subject: Re: Cleaning spring probe tips > > How about using a vacuum instead? > > Kat > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of James Verrette > Sent: Tuesday, June 05, 2007 4:31 PM > To: [log in to unmask] > Subject: Re: [TN] Cleaning spring probe tips > > I was looking for something that could be done with the probes in the > fixture. Our CM uses a soft brush and compressed air to do PM on their > ICT fixtures. Compressed air just makes the stuff fly everywhere. > > > > -Jim > > > > ________________________________ > > From: R Sedlak [mailto:[log in to unmask]] > Sent: Tuesday, June 05, 2007 3:15 PM > To: TechNet E-Mail Forum; James Verrette > Subject: Re: [TN] Cleaning spring probe tips > > > > Jim: > Send me some if your pogo pins, I will clean them up and return them to > you using a chemical we developed just for this purpose, cleverly called > "ProbeWash"... > > Rudy Sedlak > RD Chemical Company > 1350 Pear Ave. > Mountain View, CA 94043 > 650-962-8004 > > James Verrette <[log in to unmask]> wrote: > > What is the best way to clean the tips of pogo pin probes? Most of the > manufacturers say just replace them, but we are running high volume with > SnPb HASL finished boards. Some test points have filled vias in the > center so we have some crown points. How many cycles are others out > there getting for their ICT probes? We are seeing contact issues after > about 4000 cycles. I am looking for something that can be done daily of > after every lot to stop the yield from dropping off. > > > > Jim Verrette > > Electrical Engineer > > > > > > > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text > in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: > http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > > > > > ________________________________ > > Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: > <http://us.rd.yahoo.com/evt=48253/*http:/mobile.yahoo.com/go?refer=1GNXI > C> mail, news, photos & more. > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > for additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 17:44:54 -0400 > From: James Verrette <[log in to unmask]> > Subject: Re: Cleaning spring probe tips > > I actually have a draft procedure written up that uses a vacuum. I am > waiting for some brushes I ordered to come in so we can pick one. I am > afraid that if we use one that is too stiff the techs may bend the pins. > Too soft and it won't do anything. We are using .050 centers and the > sockets are set slightly above the plate. Anyone else doing something > similar? What kind of brushes are you using? Is really it helping? > > -Jim > > -----Original Message----- > From: Kathy Kuhlow [mailto:[log in to unmask]]=20 > Sent: Tuesday, June 05, 2007 5:26 PM > To: 'TechNet E-Mail Forum'; James Verrette > Subject: RE: [TN] Cleaning spring probe tips > > How about using a vacuum instead? > > Kat > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of James Verrette > Sent: Tuesday, June 05, 2007 4:31 PM > To: [log in to unmask] > Subject: Re: [TN] Cleaning spring probe tips > > I was looking for something that could be done with the probes in the > fixture. Our CM uses a soft brush and compressed air to do PM on their > ICT fixtures. Compressed air just makes the stuff fly everywhere. > > =20 > > -Jim > > =20 > > ________________________________ > > From: R Sedlak [mailto:[log in to unmask]]=20 > Sent: Tuesday, June 05, 2007 3:15 PM > To: TechNet E-Mail Forum; James Verrette > Subject: Re: [TN] Cleaning spring probe tips > > =20 > > Jim: =20 > Send me some if your pogo pins, I will clean them up and return them to > you using a chemical we developed just for this purpose, cleverly called > "ProbeWash"... > > Rudy Sedlak > RD Chemical Company > 1350 Pear Ave. > Mountain View, CA 94043 > 650-962-8004 > > James Verrette <[log in to unmask]> wrote: > > What is the best way to clean the tips of pogo pin probes? Most of the > manufacturers say just replace them, but we are running high volume with > SnPb HASL finished boards. Some test points have filled vias in the > center so we have some crown points. How many cycles are others out > there getting for their ICT probes? We are seeing contact issues after > about 4000 cycles. I am looking for something that can be done daily of > after every lot to stop the yield from dropping off. > > > > Jim Verrette > > Electrical Engineer > > > > > > > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text > in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: > http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > =20 > > =20 > > ________________________________ > > Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: > <http://us.rd.yahoo.com/evt=3D48253/*http:/mobile.yahoo.com/go?refer=3D1G= > NXI > C> mail, news, photos & more.=20 > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text > in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: > http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 > for additional information, or contact Keach Sasamori at [log in to unmask] > or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > Date: Tue, 5 Jun 2007 16:56:36 -0500 > From: "Stadem, Richard D." <[log in to unmask]> > Subject: Reflow ovens > > Anybody out there using the new Scienscope nitrogen reflow ovens? I was > not even aware Sciencscope made a reflow oven, and was wondering if > anybody has any hands-on experience with them? Send me your response by > direct email if you prefer. I would appreciate all feedback, even > reports from others you may have heard. > And a short poll: if you were going to purchase a new reflow oven today, > what would it be? You will be assembling military, telecommunications, > and industrial products, both 63/37 and lead-free, and conventional size > pwbs but some heavy backplanes as well.=20 > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=3D4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > > ------------------------------ > > End of TechNet Digest - 4 Jun 2007 to 5 Jun 2007 (#2007-170) > ************************************************************ > > -- > This message has been scanned for viruses and > dangerous content by OpenProtect(http://www.openprotect.com), and is > believed to be clean. > > > -- > This message has been scanned for viruses and > dangerous content by OpenProtect(http://www.openprotect.com), and is > believed to be clean. -- This message has been scanned for viruses and dangerous content by OpenProtect(http://www.openprotect.com), and is believed to be clean. --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------