UID:416659
UID:5352
UID:242546
UID:236264
原帖由0楼楼主 shmilysun 于2009-03-02 21:09发表 求教各位大虾,0.4pitch及0.5pitch的BGA及QFN类零件的最佳开口方式?如何减少此类零件的空焊及短路?还请各位大虾指教!同时请问圆形开口与方形导圆脚开口哪种更利于下锡?
UID:7729