Electronics Forum | Thu Dec 31 01:09:18 EST 1998 | Kelvin Chow
Dear Micheal, SIR test is used to characterize fluxes by determining the degration of electrical insulation resistance of rigid printed wiring board specimens after exposure to the specified flux. (IPC TM-650 #2.6.3.3 http://www.ipc.org/html/tm2.6.h
Electronics Forum | Sun Apr 25 04:12:34 EDT 1999 | Earl Moon
| At Sanders (Military manufacturer), we have only started using plastic parts within the past few years. After being tasked with reviewing the new J-Std-033, it became obvious to me our process for controlling device exposure is weak. We build very
Electronics Forum | Wed Sep 12 18:11:03 EDT 2001 | davef
First, what on the area array package are you analyzing � * Package cracking? * Cracked solder balls? * Er, what? Second, most failure analysis discussions consider dye penetration to be a non-destructive test, but then again most failure analysis
Electronics Forum | Fri May 09 09:09:22 EDT 2003 | fmonette
Phil, here is why "dry cabinet storage may not stop the clock" : The moisture diffusion inside a component is actually quite complex. When previously exposed components are returned to dry storage, the moisture gradient that is already absorbed in
Electronics Forum | Wed Apr 28 12:18:04 EDT 1999 | Scott McKee
| Hello all, | | I read about Steve's headache a few articles back and I'm really interested by his tip. However, I'm still wondering why square apertures release solder paste better than round ones. For the same volume of paste, the surface area
Electronics Forum | Wed Apr 28 11:16:45 EDT 1999 | Steve Gregory
Hello all, I read about Steve's headache a few articles back and I'm really interested by his tip. However, I'm still wondering why square apertures release solder paste better than round ones. For the same volume of paste, the surface area of th
Electronics Forum | Wed Jun 02 15:27:27 EDT 1999 | JohnW
| | Hi, | | | | To improve the Design For Manufacturing I am currently looking to write down some design rules that can (and should be) used by our engineering department. | | | | Can somebody help me get started or give some usefull tips on where
Electronics Forum | Mon May 06 12:44:50 EDT 2002 | Bob Willis
The SMART Group is starting a new project on PPM Monitoring which will be providing average PPM yield data per month free to the industry. I would like to get feedback or exchange criteria for paste printing as non exists with in IPC or similar organ
IPC is the trade association for the printed wiring board and electronics assembly industries.
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