A.孔直径3mil,焊盘外直径8mil,不同网络激光孔中心距≥15mil B.孔直径3mil,焊盘外直径10mil,不同网络激光孔中心距≥18mil C.孔直径4mil,焊盘外直径8mil,不同网络激光孔中心距≥18mil D.孔直径4mil,焊盘外直径10mil,不同网络激光孔中心距≥15mil
A.≥1.0mm,≥0.2mm B.≥1.0mm,≥0.3mm C.≥2.0mm,≥0.2mm D.≥2.0mm,≥0.3mm
A.±0.05mm,±0.075mm B.±0.05mm,±0.05mm C.±0.075mm,±0.05mm D.±0.075mm,±0.075mm