Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Sponge etching with HCl and H2O2?
From: "tda7000" <Tda7000@...>
Date: 2011-11-26
I see some people get very fast etch times with a sponge and ferric chloride...
But has anyone tried that method with the HCl and H2O2 solution, or the cupric chloride?
Or anything else for that matter?