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What is a PCB Stencil?

PCB Stencils

Editorial Team - PCB Directory

Jul 6, 2021

A PCB Stencil is a sheet of stainless steel with laser-cut openings used to place solder paste on a PCB board for surface mount component placement. The PCB stencil is used to deposit solder paste on designated places on a bare PCB board so that components can be placed and perfectly aligned on the board.Its main function is to accurately deposit the right amount of solder paste on SMT pads so tha...read more

What is Stencil Electropolishing / Electrochemical Deburring?

PCB Stencils

Editorial Team - PCB Directory

Jan 15, 2020

During the PCB stencil making process, the opening or aperture wall becomes rough due to the constant application of laser beams. This happens because the laser beam tends to melt the sheet material, which leads to some surface abnormalities called micro-burrs in the aperture wall. To solve this problem, electropolishing is performed to smoothen the aperture wall. It promotes the easy transition o...read more

PCB Stencil Types

PCB Stencils

Editorial Team - PCB Directory

Mar 15, 2020

A PCB Stencil is a sheet of stainless steel with openings used to place solder paste on a PCB board for surface mount component placement. PCB stencils can be classified based on their aperture type and mounting style:Laser-cut Stencils:The openings / apertures on the PCB Stencil are created on a stainless steel sheet using a laser beam. This stencil provides a high degree of precision.Chemical-et...read more

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