Electronics Forum | Wed Oct 23 15:00:21 EDT 2002 | Terry Burnette
Dave, we're about to publish a paper in Advanced Packaging mag. on the use of dye penetrant testing. Educate me on how to enclose the paper on this web site and I'll be glad to let everyone review it.
Electronics Forum | Wed Sep 21 16:23:36 EDT 2005 | 14367
I was going to ask the same question. As was mentioned, it depends on the classification of product. If it's IPC Class 3, with a requirement for high reliability, I'd want the OEM manufacturer to have a defined statement on this issue for more that
Electronics Forum | Wed Oct 23 15:33:38 EDT 2002 | Randy V.
Dye penetrant is a liguid that will wick through very small cracks. I used over 10 years ago for checking cracks in glass feedthru's in hermetic packages. You put the dye on one side of the seal and developer (white) on the other side and the red dye
Electronics Forum | Fri Mar 14 11:25:02 EDT 2008 | hegemon
ol' hege has got to agree with Chunks and Dave. Seems every time there is a problem, the finger is first pointed at the process. For my $.02 it doesn't matter if your process is 100% bulletproof, procurement will screw it up by finding a vendor that
Electronics Forum | Wed Mar 12 23:00:10 EDT 2008 | davef
You can say: The pad was lifted after reflow and prior to the dye and pry failure analysis. When we see lifted pads, we think: * That's a good solder connection * Either it took a lot of force to lift that pad or the fabrication of the board in the
Electronics Forum | Wed Oct 23 15:50:31 EDT 2002 | bdoyle
Hi Terry, You can post the article in the library component on the site. If you also send it to me via email (bpdoyle@smtnet.com) I'll look it over for next month's express.
Electronics Forum | Thu Oct 24 11:19:31 EDT 2002 | nifhail
thanx Randy.. But Terry how can I get the chnace to look at the paper that you are going to publish. thank you.
Electronics Forum | Wed Jan 26 09:27:41 EST 2005 | davef
Look here for more on dye & pry: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=25007
Electronics Forum | Sat Mar 15 01:03:10 EDT 2008 | callckq
All, What if BGA solder crack do exist after the shock test? Its happen at the corner of the BGA. Base on your experience, what are the potential root causes? Thanks, Sean
Electronics Forum | Mon Mar 17 03:50:12 EDT 2008 | Sean
Hi All, Besides the above question, I have another one as below: (1) How frequent that we need to perform strain gauge study on ICT, Functional test fixture? Is it a necessary to perform this study each time after ICT, Funtional test fixture preve
