Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Re: [Homebrew_PCBs] Ferric Chloride - Alternatives
From: "Leon" <leon355@...>
Date: 2008-06-28
----- Original Message -----
From: "Stefan Trethan" <stefan_trethan@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Saturday, June 28, 2008 6:59 PM
Subject: Re: [Homebrew_PCBs] Ferric Chloride - Alternatives
> Yes, but doesn't that just produce CuCl contaminated with dirty FeCl
> (AKA "Stain from Hell")?
Yes, but they are both etchants, so the regeneration works. Do it for long
enough and the FeCl3 will gradually disappear. 8-)
Leon