copper used on pcb

The Importance of Copper to Move Electricity Through PCBs

Printed circuit boards are necessary components of most electrical devices. Today’s PCBs have several layers to them: the substrate, traces, solder mask, and silkscreen. One of the most important materials on a PCB is copper, and there are several reasons why copper is used instead of other alloys like aluminum or tin.   

What are PCBs Made...