This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

线路板焊盘成半导通



一个双面板,装成成品,在烤箱内老化测试了4-5小时炸了,拿出来检修,发现两焊盘间成半导通状态,两焊盘间距是0.8MM,用刀子划两焊盘间,划通后就没这个情况了,两边同时划不划通也还有一点半导通,谁知道这是怎么一回事