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电子工程专辑
2 年
SMT为什么要烘烤
贴片加工的时候往往会对长期存放的PCB或者元器件进行烘烤,为什么要进行烘烤呢,烘烤多长时间呢? 空气中含有大量的水分子,长期存放的元器件或者PCB难免与水分子接触,当内部的水分子达到一定程度时,在进行SMT加工前就要进行烘烤。这种含水量超标的PCB ...
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