SMTA International Conference Proceedings

Impact of Stencil Foil Type on Solder Paste Transfer Efficiency for Laser Cut SMT Stencils

Author: Greg Smith
Company: BlueRing Stencils
Date Published: 9/17/2017   Conference: SMTA International

Abstract: There are many different metal foil types being used by stencil manufacturers in today’s SMT market. Some of these materials include standard 300 series stainless foil, fine grain foil, electroplated nickel foil along with other specialty foils optimized for the laser cut stencil industry. This paper will investigate laser cut wall quality on the different foils as well as the effectiveness of these foil types in relation to solder paste printing both with and without nano-coatings. Results will be presented along with strengths and weaknesses of different foil types to aid the end user in making proper stencil choices.

Key Words: 

SMT stencil, stencil printing, laser cut stencil, stencil foil material, SMT stencil quality, solder paste printing

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