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原帖由4楼楼主 hpking423 于2009-02-02 16:52发表 基本上由于PCB板制作工艺影响在多层板间会残留水份。所以解决办法有:1、争的研发同意,要求供应商在板面加适量通孔,方便水份蒸发; 2、空板过炉前用烤箱烘烤2小时,温度可询问供应商意见。
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