What is Solder Mask? Solder Mask is a protective coating applied to the bare printed circuit board. Bare boards are covered with mask to prevent accidental solder bridging during assembly and to help protect the board from the environment. (Don't confuse solder mask with conformal coating. Confo...
What is the difference between a hole and via on my printed circuit board? Essentially they are the same thing and many engineers use the terms interchangeably. Technically, the term "via" should be used when the hole is used to pass signal to another layer of your board andnotfor mounting...