UID:638423
UID:671672
UID:285313
UID:591842
UID:289851
UID:441573
UID:665120
UID:552157
UID:18023
UID:710333
UID:687786
sdlxp420:1.看一下此BGA的球是否存在,如果不存在说明此BGA未植球进行返修。2.模块贴装到PCB板后,为了防止空焊,是否达回流焊时有外压作用在此BGA上面。 (2014-10-30 14:26)
UID:38996
UID:710169
UID:709566