技术专栏
BGA封装0.3mm的焊盘。在焊盘上打过孔0.2mm,加树脂塞孔工艺能做吗?
6***7W
859
3
<img src=‘/uploadfiles/image/20210929/1632899364443053744.png’ title=‘1632899364443053744.png’ alt=‘image.png’/>
只要是开窗露铜的焊盘就没法油墨塞孔的,谢谢!