技术专栏
pcb半孔金属化
4***7A
875
1
<img src=‘/uploadfiles/image/20210406/1617697520592036301.jpg’ title=‘1617697520592036301.jpg’ alt=‘1617697509(1).jpg’/>
半孔大小范围:直径≥0.6MM,孔边到孔边≥0.6MM(单边焊环0.127mm以上,小于此参数工程会适当优化).
离边距离最低要2MM以上如下图:
https://www.jlc.com/portal/server_guide_70.html
