What Is A PCB's Soldermask Used For?
When you look at your printed circuit boards, you will probably see a green soldermask, which is a cover that goes over some of the parts of your PCBs. In some cases, the soldermask might come in other colors, depending on the company that you purchase your boards from. Regardless, you could be wondering what this part is used for and if it is really necessary. Even though it might not seem like much, the soldermask is actually a very important part of your printed circuit boards.