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
SMT Express, Issue No. 2 - from SMTnet.com Volume 1, Issue No. 2 Wednesday, July 14, 1999 Featured Article Return to Front Page THE LABORATORY A PRIMARY EVALUATION AND QUALIFICATION FACTOR TO DETERMINE PCB SUPPLIER PROCESS CAPABILITIES Earl
