技术专栏
BGA 4层板,焊盘0.4mm,间距0.8mm,过孔0.2/0.45,焊盘边沿到过孔外圈0.16mm,能加工吗?
1***0A
830
1
BGA 4层板,焊盘0.4mm,间距0.8mm,过孔0.2/0.45,焊盘边沿到过孔外圈0.16mm,能加工吗?
BGA 4层板,焊盘0.4mm,间距0.8mm,过孔0.2/0.45,焊盘边沿到过孔外圈0.16mm,能加工吗?