The etching method that [Switch and Lever] uses to get down to brass plaques will be intimately familiar to anyone who has etched a PCB before. Ferric chloride works as well on brass as it does on ...
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 ...