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HASL or ENIG? A Comparison Guide for the Surface Finishes

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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Circuit Board Design Tips for Hard or Soft Gold

Due to the specialized nature of hard gold and soft gold surface finishes, many designers never encounter the particular challenges associated with these surface finishes. As a result, the first build for a hard or soft gold PCB can often be cumbersome and even surprising.
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ENEPIG Plating – A Guide to the Evolution of PCB Finishes

The evolution of technology manufacturing is always moving towards a higher level of complexity.   Newer designs have to be lighter, faster and smaller with every iteration of the next device. Not only do we continue to move towards more complex …
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An Expert’s Guide to PCB Surface Finishes

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, …
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