Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Re: A $500.00 "UV" non-trivial exposure box.....
From: "mikezcnc" <eemikez@...>
Date: 2005-11-16
..any comments on safety of using Sodium hydroxide?
Mike
..and I know of a guy who can layout 5 mills PLCC44 tracks using just
3M blue masking tape...