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紅膠

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PCB冷知識：紅膠——你知道么？

在SMT和DIP的混合工藝中，為了避免單面回流焊一次，波峰焊一次的二次過爐情況，在PCB的波峰焊焊接面的chip元件，器件的中心點(diǎn)點(diǎn)上紅膠，可以在過波峰焊時一次上錫，省掉其錫膏印刷工藝。

充電吧
2018-04-20

dip PCB smt 真心話紅膠

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