How is SMT Stencil Made?
At present, there are mainly four kinds of stencil commonly used in SMT process according to manufacturing methods: chemical etching stencil, laser cutting stencil, electroformed stencil and mixed process stencil. OLINA PCB will briefly introduce the manufacturing methods of these four kinds of stencil. Chemical Etching Stencil Chemical etching is to use corrosive chemical solution to eliminate the metal …