The hole-making process course control the hole precision &clearance and the three ways of making stencil are chemically etched, laser-cut, electroformed.

• 开孔壁的光洁度和精度由制作开孔的工艺过程控制。三种常见的制作模板的工艺为：化学腐蚀、激光切割和铸成型工艺。