Electronics Forum: agent x-ray tue

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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