The paper introduces the laser cut mould plate, the characteristics of tin solder and some problems which should be paid attention to in screen printing.
重点介绍了激光切割成型的模版、锡焊膏的特点及丝网印刷中应注意的问题。
The key factor is the proper amount of tin solder to be screen printed onto welded surface of PCB. To do this well, it's necessary to control several technological factors.