Electronics Forum: non-collapsing (Page 1 of 1)

Solder reflow temperatures too high

Electronics Forum | Thu Jan 11 22:01:09 EST 2007 | davef

Joe: I know this is not the correct forum to post chip "reworking" questions. Reply: Rework questions are as appropriate as the next topic here on SMTnet J: BGA will not reflow at any normal temperature level. I believe these chips may have been gen

BGA void removal

Electronics Forum | Mon Sep 30 09:26:04 EDT 2002 | itempea

Russ, first step would be to get IPC-7095 on BGAs. A few notes: There can be voids in solder balls, or at the solder joints to the BGA, or at the solder joints to the PCB. Various sources or reasons can be responsible for these voids. Voids can be

Re: MicroBGA qualification process

Electronics Forum | Thu Mar 30 21:46:56 EST 2000 | Dave F

Reg: This is copy / paste from draft version of IPC 7095 ( issued May 1999 ) ... 7.3 Assembly accept/reject criteria 7.3.1 Voids in solder joint a. Sources of Voids There can be voids in solder balls, or at the solder joints to the BGA, or at the so

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