Is this board copper clad? How to do it?.
The board in the picture is the circuit board processed by copper clad plate, and the copper clad plate is made of copper
After the process of making circuit boards, the excess copper is etched off, and the retained copper is the designed circuit conductor. You can make a difference between photosensitive plate or heat transfer plate making method, you know how to turn the copper plate into such a circuit board.
Epoxy resin clad laminateThe lines are covered with copper
