Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

Smiling Cat,

This has long been the definitive source of
info on CuCl around here.

http://members.optusnet.com.au/eseychell/PCB/etching_CuCl/index.html

You do need to top up with HCl every once
and a while. Only tiny amounts though.

--- In Homebrew_PCBs@yahoogroups.com, "smilingcat90254" <smilingcat@...> wrote:
>
> I've seen nurdRage. He does have good videos and this is no different.
>
> Interesting about HCl + H2O2 (yes it does "decay").
>
> And CuCl2 + HCl (stable). He says it can be regenerated but first line says that Chlorine is being used to create CuCl4 and use up HCl. I don't see how you can replenish Chlorine without adding more HCl.
> Well he said he will have another video just on CuCL2 + HCl etchant.
>
> He does have video on FeCl3 and tells you how to make it. Only thing I don't like is that FeCl3 stains everything. I guess the disposal of it is much easier. And I may go back to using FeCl3. Also easier to obtain or to make my own.
>
> I can concentrate H2O2, so I can make it fairly quickly without diluting it too much.
>
> Thanks!
>
>
> --- In Homebrew_PCBs@yahoogroups.com, Russell Shaw <rjshaw@> wrote:
> >
> > http://www.youtube.com/watch?v=Q4tWEse2rDI&feature=em-subs_digest
> >
> > <http://www.youtube.com/watch?annotation_id=annotation_37276&feature=iv&src_vid=Q4tWEse2rDI&v=43Xsh9J7S-g>
> >
>