技术专栏
PCB走线和过孔最小尺寸
3***0A
2732
1
单双面最小过孔内径0.3mm/外径0.6mm;四、六层最小过孔内径0.2mm/外径0.45mm(极限0.40mm)
单双面最小线距线宽0.127mm(极限0.1mm)双面板过孔只盖油,不塞油
四,六层最小线宽,线隙:3.5mil/0.09mm,最小焊盘边距离线边:5mil/0.127mm
最小bga:0.25mm https://www.sz-jlc.com/portal/server_guide_10221.html