Electronics Forum | Mon Nov 12 06:05:15 EST 2001 | nop_e
Dear all I 'm looking the minimum X-Ray machine capability that is capable to inspect the solder joint of BGAs, Fine pitch BGA and CSP such as open, poor solder joint ,etc... What is the machine specification needed? Thank you for your advise.
Electronics Forum | Wed Mar 12 16:30:45 EDT 2008 | operator
I witnessed this at our sister company. It seems to be their standard process. It is not my place to interfere with their processes. I was just curious if there was any chance of brittle solder joints or other defects that might be caused from the WS
Electronics Forum | Tue Dec 23 01:25:38 EST 1997 | J.H Kim
| I'd like someone gives me a tip for elemating of voids | in the mico BGA solder joint and the method of inspection | of them, very exactly.
Electronics Forum | Thu Jan 08 15:49:10 EST 2015 | emeto
I bet you that the problem comes from the ENIG brittle solder joints. About low temperatures I think you can go to the absolute 0 and the device should still work.
Electronics Forum | Thu Feb 19 12:56:29 EST 1998 | Earl Moon
| I'd like someone gives me a tip for elemating of voids | in the mico BGA solder joint and the method of inspection | of them, very exactly. Voids in excess of 20% by each solder ball volume is cause for rejection. Causes are improperly managed proc
Electronics Forum | Wed Jan 07 17:39:26 EST 2015 | duchoang
Additional info: I use SAC305 solder paste on Enig PCB.
Electronics Forum | Tue May 27 21:07:41 EDT 2003 | jedduan
Thanks Dave. It's very nice of you. Jed
Electronics Forum | Thu May 29 09:10:10 EDT 2003 | caldon
Dave- Thanks for the NIST Site.....Again, another useful nugget!!! Cal
Electronics Forum | Fri Dec 31 10:16:22 EST 2004 | Brad
Can anyone recommend a company thats local to New England that does extensive solder joint analysis.
Electronics Forum | Wed Feb 21 15:33:10 EST 2007 | wavemasterlarry
sure sounds like a lot of busy work just to make solder joints for a vacuum cleaner.
