The nomenclature sets the stage for understanding the underlying reactions that make ferric chloride good at etching copper. In solution, ferric chloride rapidly dissociates into iron (III ...

Whichever camp you’re in, though, it pays to know what’s going on when your plain copper-clad board, adorned with your precious artwork, slips into the etching tank and becomes a printed ...

Other systems include peroxide-sulfuric acid, persulfates, and ferric chloride. Process steps include resist stripping ... as well as continuous processing, constant-etch rates, and control at high ...