The copper layers of a printed circuit board are the central focus of any circuit design, the other layers only support or protect the circuit, or simplify the assembly process. For starting PCB ...

For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you can send your Gerbers off and receive ...

[Morag Hickman] is an artist who makes use of ferric chloride for something other than etching a PCB. She uses the process to etch beautiful designs into her jewelry. [Tortoise Butler] is a small film ...