I just stumbled onto a web site (
http://www3.telus.net/chemelec/Projects/Etching/Etching.htm ) that uses
a reverse polarity electro plating to etch a PCB. He says the electro
etching will remove most, but not all, of the bare copper. So he uses
ferric chloride to etch the last bit of copper. I don't see any
difference in electro etching and ferric chloride etching but I have
never done the electro etching so have no experience as to the end
results. Has anyone here any pros or cons to using the electro etch
except for the extra final step of chemical etching?.
Jim KI6MZ