Electronics Forum: damage of chips due to x-rays (Page 1 of 1)

How to Differentiate Class 3 and Class 2 products in terms of process

Electronics Forum | Mon Jan 12 21:31:26 EST 2015 | warwolf

The closer your inspection the more defects you will find, the more rework you do the possible cost you will add and the potential increase of damage you could do to your products if rework is not up to a machine copyable standard. "Is there any in

Re: Why does everyone want to x-ray BGA?

Electronics Forum | Fri Apr 17 14:03:48 EDT 1998 | Earl Moon

| Hello Ya'll, | I've got what may be a silly question, but why does it seem so important to everybody that you have x-ray capability if you're thinking about doing BGA? | I know what most people will tell me; "Steve, that's a pretty silly qu

Re: BGA Repair Problems

Electronics Forum | Mon Aug 17 02:50:44 EDT 1998 | Bob Willis

| Have an SRT w/preheat, 18 layer board all copper, 456 BGA needs to be removed and replaced. The manufacturer is Chip Express and during reflow it warps up or down. Causing either opens or shorts on the corners. I was using gel flux with multiple

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