UID:751519
UID:634282
x393282625:BGA物料烘烤没? PCB形变没? 物料形变没? 锡球大小一样不? 焊盘大小呢? 锡球上面是不是有锡丝异物? (2017-12-26 11:54)
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UID:753943
UID:31384
UID:606521
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hyk6504:1mm间距连焊,罕见,钢网开口有没有问题。 (2017-12-27 19:09)
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panzhj:我们返修时候,四角植的球尺寸会小一号 (2018-01-07 21:39)