技术专栏
PCB过孔盖油问题
7***1A
688
3
双层PCB过孔盖油问题:<ol class=’ list-paddingleft-2’ style=‘list-style-type: decimal;’>PCB gerber文件解析如下图,红框设置为单面盖油,实际加工盖油效果差,该位置PCB过孔透光,未达到盖油效果<br /><img src=‘/uploadfiles/image/20210818/1629274952780076857.png’ title=‘1629274952780076857.png’ alt=‘image.png’/><br /><img src=‘/uploadfiles/image/20210818/1629274968949061093.png’ title=‘1629274968949061093.png’ alt=‘image.png’/>实物加工效果如下图,红框位置过孔孔径为0.5mm,设置为双面盖油,PCB Gerber文件解析为塞孔,实际加工出来不能达到塞孔效果,过孔透光;<br />蓝框、黄框位置过孔孔径为0.4mm,设置为单面盖油,实际加工过孔透光,盖油效果差<br /><img src=‘/uploadfiles/image/20210818/1629275563894078436.png’ title=‘1629275563894078436.png’ alt=‘image.png’/>最后想了解下过孔盖油加工工艺标准,是否过孔设计过大,盖油工艺效果差,达不到塞孔效果?谢谢<br/>
单面焊盘是盖油,孔内加档点(透光)