What is solder mask dam?

Introduction to Solder mask dam Solder mask dam, also known as SMD or solder mask defined pads, is a feature used in the design and manufacturing of printed circuit boards (PCBs). It involves creating a small barrier or “dam” of solder mask material around the copper pads where components will 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…