An insulating pattern applied to a printed circuit board that exposes only the areas to be soldered. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Adding a solder mask might be one of those features for some, but if you happen to have a laser cutter and a few business cards sitting around then this process is within reach of the home builder ...

The laser also drills holes and can cut the board outline. A silk screen makes it easy to add a solder mask, and the laser will even cut the mask. [Stephen] also etched “silk screening” into ...