HASL Archives | Bay Area Circuits

An Expert’s Guide to PCB Surface Finishes

February 28, 2021
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Applying the surface finish is one of the last steps of manufacturing a printed circuit board. The surface finish on a PCB is typically applied after the soldermask process and is designed to prevent oxidation of the remaining exposed copper, …

Surface Finish Characteristics & Applications for Printed Circuit Boards

October 31, 2020
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Surface Finish Considerations The PCB Surface Finish you select may be the most important material decision you make for your electronic assembly. The Surface Finish you select will influence the cost, manufacturability, quality, and reliability of the final product. Just …

ENIG or HASL? A Guide to Surface Finish Comparisons

April 30, 2020
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If you’ve ever had a circuit board professionally manufactured, you have likely been asked your choice between HASL and ENIG surface finishes. From solderability to cost, these two finishes can’t possibly be more different. While some engineers have a tried and true favorite, you may be left...

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