SMT steel mesh is usually used for PCB printing. It can efficiently and accurately transfer solder paste to PCB. This is the main role of SMT steel mesh. With the increasingly high quality standards of electronic products, the quality standards for SMT steel mesh are increasingly high. At present, SMT steel mesh is mainly divided into three types: electroforming steel mesh, etching steel mesh and laser steel mesh. The precision of laser steel mesh is Z high, but the product cost is also very high, It can only be applied after post-processing.

Why does SMT laser steel mesh need post-processing? The reason is that metal slag will form after laser cutting and adhere to the wall and opening. Generally, the surface layer needs to be polished; Of course, polishing is not only to remove the slag (burr), but also to roughen the surface of the steel sheet, improve the friction of the surface layer, facilitate the rolling of solder paste, and achieve excellent tinning effect.