----- 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
>
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> ----------------------------------------------------------------------
>
> 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.
> > >>
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> -----------------------------------------------------
>
> ------------------------------
>
> 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
>
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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
>
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>
> ------------------------------
>
> 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.
>
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> -----------------------------------------------------
>
> ------------------------------
>
> Date: Tue, 5 Jun 2007 16:53:12 +0800
> From: =?utf-8?B?572X6bmP6L6J?= <[log in to unmask]>
> Subject: Re: IPC-4101/21 UL94V0
>
>
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>
SVNUU0VSVkBJUEMuT1JHIHdpdGggZm9sbG93aW5nIHRleHQgaW4NCnRoZSBCT0RZIChOT1QgdGhl
>
IHN1YmplY3QgZmllbGQpOiBTSUdOT0ZGIFRlY2huZXQNClRvIHRlbXBvcmFyaWx5IGhhbHQgb3Ig
>
KHJlLXN0YXJ0KSBkZWxpdmVyeSBvZiBUZWNobmV0IHNlbmQgZS1tYWlsIHRvIExpc3RzZXJ2QGlw
>
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
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> posts: send e-mail to [log in to unmask]: SET Technet Digest Search the
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> 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
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[log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
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> Please visit IPC web site
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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
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> 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
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> 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
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> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site
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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
>
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> -----------------------------------------------------
>
> ------------------------------
>
> 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.
>
> ---------------------------------------------------
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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
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> for additional information, or contact Keach Sasamori at [log in to unmask] or
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>
> ---------------------------------------------------
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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
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> for additional information, or contact Keach Sasamori at [log in to unmask] or
> 847-615-7100 ext.2815
> -----------------------------------------------------
>
>
> ---------------------------------------------------
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> To unsubscribe, send a message to [log in to unmask] with following text in
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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
>
> ---------------------------------------------------
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> Please visit IPC web site
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> information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100
> ext.2815
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>
> -------------------------------------------------------------------------=
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> -----------------------------------------------------
>
> ------------------------------
>
> 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
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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
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or
> >847-615-7100 ext.2815
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>
> ---------------------------------------------------
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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.
>
> ---------------------------------------------------
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[log in to unmask]: SET Technet NOMAIL or (MAIL)
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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
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> 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
> -----------------------------------------------------
>
> ---------------------------------------------------
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> To unsubscribe, send a message to [log in to unmask] with following text in
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> -----------------------------------------------------
>
> ------------------------------
>
> 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
>
> ---------------------------------------------------
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> -----------------------------------------------------
>
> ------------------------------
>
> 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
>
>
>
>
>
>
>
>
> ---------------------------------------------------
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> -----------------------------------------------------
>
>
>
> ---------------------------------
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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
>
> ---------------------------------------------------
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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.
>
> ---------------------------------------------------
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> To unsubscribe, send a message to [log in to unmask] with following text in
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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
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> 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
>
>
> ---------------------------------------------------
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> 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.
>
>
> ---------------------------------------------------
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> 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
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> 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
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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
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> To receive ONE mailing per day of all the posts: send e-mail to
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> 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
>
>
> ---------------------------------------------------
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> To unsubscribe, send a message to [log in to unmask] with following text
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> Search the archives of previous posts at:
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> 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
> -----------------------------------------------------
>
> ---------------------------------------------------
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> -----------------------------------------------------
>
> ------------------------------
>
> 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
>
> ---------------------------------------------------
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> -----------------------------------------------------
>
> ------------------------------
>
> End of TechNet Digest - 4 Jun 2007 to 5 Jun 2007 (#2007-170)
> ************************************************************
>
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