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solder mask,solder paste

图2,"非soldermask定义"与"soldermask定义"焊接方法的比较
图2,"非soldermask定义"与"soldermask定义"焊接方法的比较[转]如何加品的bga焊度以防止bga裂(soldermask defined
[转]如何加品的bga焊度以防止bga裂(soldermask definedblack / white soldermask round metal core circuit
black / white soldermask round metal core circuit良好bga焊点对pcb焊盘设计要求: 焊盘的设计:   smd --- solder mask
良好bga焊点对pcb焊盘设计要求: 焊盘的设计: smd --- solder masksolder mask coating
solder mask coating
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