标签:设计 nbsp 技术 http mil pcb https com img
嘉立创
单双面最小过孔内径0.3mm/外径0.6mm(极限0.56mm),
4-6层最小过孔内径0.2mm/外径0.45mm(极限0.40mm),
否则会造成 无铜,孔铜
我建议 12mil/26mil
双面板 线径6.5mil/线距6.5mil
铺铜 8mil/8mil
标签:设计 nbsp 技术 http mil pcb https com img
原文地址:https://www.cnblogs.com/kingboy100/p/14288179.html