Of course, redunancy is a good thing. I've contacted Steve on another adress, but SMT is also OK, I'll send offline to Daan. Ingemar -----Original Message----- From: Fineline Circuits, Inc. [mailto:[log in to unmask]] Sent: den 18 augusti 2004 17:43 To: TechNet E-Mail Forum; Ingemar Hernefjord (KC/EMW); Daan Terstegge Subject: Re: [TN] Most common PCB failure modes Ingemar: May be Daan can put it on his website www.smtinfo.net. Looks like steve in not online. I would like a copy too. Sona Sitapara Fineline Circuits Inc. [log in to unmask] ----- Original Message ----- From: "Ingemar Hernefjord (KC/EMW)" <[log in to unmask]> To: <[log in to unmask]> Sent: Wednesday, August 18, 2004 8:14 AM Subject: Re: [TN] Most common PCB failure modes > 1st:May I point out that the fishbone diagram is not my creation. > 2nd: As so many want it (surprise! Do professionals like you need such crib?), maybe Steve can put a copy on his homestead. Watt do u zink, Steve? > > Ingemar > > PS. fishbones are excellent for teaching the mysteries of SMT, you get a knowledge platform, but they don't automatically guide you to the root of a specific Murphy day problem. > > > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]]On Behalf Of Marvin Gaines > Sent: den 18 augusti 2004 13:49 > To: [log in to unmask] > Subject: Re: [TN] Most common PCB failure modes > > > Kristopher, > > My experience in this matter is that PCB manufacturing companies > have not had one common defect that can be detailed as a persistent problem > unless they > have a process issue and then the defect should be able to be traced to a > date code). > Usually there is a myriad of issue's that the public never knows about. > As with all manufacturing there are issue's that come up and make it > ultimately to the end customer. > So to pinpoint one common problem would be difficult. > > > Ted Gaines > Ht&D Cam Service > 775-599-6720 > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]]On Behalf Of Graham Naisbitt > Sent: Wednesday, August 18, 2004 7:11 AM > To: [log in to unmask] > Subject: Re: [TN] Most common PCB failure modes > > > Hi Kristopher > > All our customers tell us they have zero defects and no failures. > > We call this "Telling Porky Pies". > > I did a net search on your question and came up with one that might be > useful: http://www.allaboutcircuits.com/vol_5/chpt_8/5.html > > -- > Regards Graham Naisbitt > > [log in to unmask] > > Concoat Limited - Engineering Reliability in Electronics > A British Manufacturer > > www.conformalcoating.com www.concoat.co.uk www.concoatsystems.com > > Golf Quote of the week: If you think its hard to meet new people, try > picking up the wrong golf ball. > > Cell: 079 6858 2121 > Office: +44 (0)1252 813706 > > > > > Hello, > > Could some of you share what are the most common PCB defects that escape > to > > your customers? > > > > > > Thanks > > > > Kristopher J. Keating > > Circuit-Wise, Inc. > > 400 Sackett Point Rd. > > North Haven, CT 06473 > > tel. (203) 281-6511 x 410 > > fax (203) 287-8409 > > > > -----Original Message----- > > From: TechNet [mailto:[log in to unmask]] On Behalf Of Ingemar Hernefjord > > (KC/EMW) > > Sent: Tuesday, August 17, 2004 3:16 AM > > To: [log in to unmask] > > Subject: Re: [TN] thin film > > > > Seal Science say they have it all: > > http://www.sealscience.com/html/products/VacuumCupsPdfs/15about.pdf > > ultrahighvacuum guys use pure gold gaskets: > > http://www.sisweb.com/catalog/F39.pdf > > ourselves, we use as simple as butyl rubber: > > http://www.allstategasket.com/materials.asp (not Ultravacuum, of course) > > Butyl rubber group includes ordinary rubber used in your mountainbike > tire, > > can keep vacuum or pressure for very long time. > > /Ingemar > > > > > > -----Original Message----- > > From: TechNet [mailto:[log in to unmask]]On Behalf Of Crepeau, Phil > > Sent: den 17 augusti 2004 02:25 > > To: [log in to unmask] > > Subject: Re: [TN] thin film > > > > > > hi, > > > > i believe you should be able to use a gasket material such as viton. > > > > phil > > > > -----Original Message----- > > From: TechNet [mailto:[log in to unmask]]On Behalf Of Douglas O. Pauls > > Sent: Monday, August 16, 2004 2:02 PM > > To: [log in to unmask] > > Subject: [TN] thin film > > > > > > Good day all, > > I am in need of a recommendation for a thin film sealant material. I need > > it to be 15-20 mils thick, cuttable, and preferrably non silicone. We > have > > considered the Sil-Pad technology, but as this will be used in a vacuum > seal > > operation, I am concerned about silicone outgassing or cross > contamination. > > Are there any thin gasket materials from the engineered rubbers that > anyone > > would recommend? > > > > Doug Pauls > > > > --------------------------------------------------- > > Technet Mail List provided as a service by IPC using LISTSERV 1.8e 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 847-509-9700 > > ext.5315 > > ----------------------------------------------------- > > > > --------------------------------------------------- > > Technet Mail List provided as a service by IPC using LISTSERV 1.8e 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 847-509-9700 > > ext.5315 > > ----------------------------------------------------- > > > > --------------------------------------------------- > > Technet Mail List provided as a service by IPC using LISTSERV 1.8e 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 847-509-9700 > > ext.5315 > > ----------------------------------------------------- > > > > -- > > Incoming mail is certified Virus Free. > > Checked by AVG Anti-Virus (http://www.grisoft.com). > > Version: 7.0.262 / Virus Database: 264.6.1 - 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