Homebrew PCBs

On Sun, 19 Sep 2004 22:53:27 -0000, Phil <phil1960us@...> wrote:

>
> Thanks Stefan.  This is the first time I've heard not to use a heater.
>  I recall reading somewhere to heat the CuCl solution so its a little
> confusing.  I looked for the page that said that but couldn't find it
> since I didn't bookmark it.  It might have been one that talked about
> using CuCl salt, though.
>
> I guess technically, this is HCl etching at first and then CuCl.
>
> A How-To for HCl and H2O2 etching would be very useful.
>
> Phil
>

you are right there, first Cl only, then CuCl.
the heating is no good. only a little is possible and that isn't helping  
much.
HCl vapor is bad business, very bad.

Tomorrow i will try using pool-supply Clorine to regenerate. curious and
have a pool. 'night.

ST