[Juan] recently learned a new trick to make cutting solder stencils a less painful process. He uses a laser cutter to cut Mylar sheets into stencils. [Juan] appears to be using EagleCAD and ...
By cutting the solder mask layer into a business card with the laser cutter, it can be held on top of a PCB and then used as a stencil to add the solder paste more easily than could otherwise be done.
Typically, SMT stencils are made of metal or plastic. Specific types include laser-cut SMT solder paste stencils, BGA stencils, and SMT BGA rework stencils. An acronym for ball-grid array, BGA is a ...