What is a PCB Test Coupon?

Why Are PCB Test Coupons Important? PCB test coupons play a crucial role in ensuring the quality and reliability of the final PCB product. By including test coupons in the manufacturing process, PCB fabricators can: Monitor Process Consistency: Test coupons help manufacturers ensure that their production processes remain consistent and Read more…

How to Test PCB Soldermask?

What is PCB Soldermask? PCB soldermask, also known as solder resist or solder mask, is a thin layer of polymer applied to the copper traces of a PCB. Its primary functions include: Protecting the copper traces from oxidation Providing electrical insulation between adjacent traces Preventing solder bridges during the soldering Read more…