Monthly Archives: November 2014

Double sided PCBs – aligning the sides for exposure

Jig for aligning mask for double sided pcb

Getting the two sides of an exposure mask to align well when making a two sided PCB is always a pain. With a simple cardboard jig it becomes easier. Quite surprisingly I have not seen this idea anywhere. The usual advise is to make a pouch of the two sides of the mask, but that does not help much when you need to turn the pcb around to expose the second side. Continue reading