Compounds with metal cations (positively charged ... for understanding the underlying reactions that make ferric chloride good at etching copper. In solution, ferric chloride rapidly dissociates ...

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 ...

Etching is also used for surface preparation with minimal metal removal (microetching ... The most common etching systems are based on alkaline ammonia and cupric chloride. Other systems include ...