2、erredtoas PCB, alsoknownasprintedcircuitboards, isthe support circuit componentsanddevices inelectronicproducts. It providestheelectrical connection betweencircuit componentsanddevices. Intheelectronic production, thecorrect designofprintedcircuitboard,canmakethe electroniccomponents in the mor
3、ereasonable, morecompactstructure, andmake the electricalindex increased.Keywords:PrintedcircuitboardWeldingWiring1.引言32.印制电路板32.1印制电路板简介32.2设计印制电路板的大体步骤42.3印制电路板的组成42.4基本制作43.印制电路板设计遵循的原则53.1元件布局53.2布线53.3焊盘64.印制电路板的装配64.1元器件引线成型74.2元器件引线及导线端头焊前处理74.3元器件的插装方法74.4元器件的焊接74.5焊接质量检验75.回收75.结束语86.致