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A Surface Mount Technology (SMT) Stencil may also be Called a PCB Sentil, Solder Paste Stencil, or Laser Stencil.

The sole purpose of an SMT stencil is to transfer solder paste to a bare circuit board. A stainless steel foil is laser cut creating an opening for every surface mount device on the board.

What is SMT Stencil

SMT Stencil also known as The Solder Paste Stencil,is Laser-cut steel on a aluminum frame with a minimum recommended pitch of 0.4mm.The SMT Stencil are custom-made for your PCB using your Gerber or CAD files.With SMT Stencil,you can make your PCB assembly job easier and save your time.

PCBMay Manufactures a Broad Range of Soldering Paste Stencils for Surface Mount Technology (SMT) Processes. 

The stencils are used by the electronics industry to place components when assembling printed circuit boards – PCB assembly. Solder stencils play an important part in printed circuit boards production, therefore the quality of the stencils is critical to successfully assemble and place circuit components. The stencil’s slots and dimensions must be precise,so the solder paste can be spread uniformly, to avoid a short circuits or volids during the soldering process.

Stencils for SMT Soldering Paste are Produced by Laser Cutting,Etching, Electroforming and a Mix of Technologies.

PCBMay produces a broad range of stencils: adhesive stencils for bonding components, manual stencils,local stencils,glass epoxy stencils,Piko-flow plated stencils,and nickel plated stencils.Graded stencils enable solder paste to be spread simultaneously at variable heights (during the same application).The innovative Flexi Frame system offers flexible stretching frames for stencils.PCBMay manufactures customized stencils per customer specifications,as a joint effort between the customer’s planning and/or R&D department.

There’re two kinds of stencil,please see the pictures as below:

1,Stencil with Frame

Stencil with Frame

2, Stencil without Frame

Stencil without Frame

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