上面两个内容涉及两种BGA的焊接方式,collapsing和non-collapsing，collapsing对应的焊盘比引脚球要小，焊接时引脚球塌陷包围住焊盘，而non-collapsing 对应的焊盘比引脚球要大，焊接时引脚球不塌陷。 大部分BGA的焊球直径以0.05mm为增量;BGA引脚间距以0.05mm为增量，50mil（1 ...

Video system design goes beyond evaluating and using the right microprocessors, peripheral chips and other related components. Consider that high-pin count, fine-pitch BGAs ranging upwards of 1,052 ...