Homebrew PCBs

Yup, aware of that. I am more interested in a liquid of some sort 
that can be applied to the bare copper prior to etching.



--- In Homebrew_PCBs@yahoogroups.com, "derekhawkins" 
<derekhawkins@y...> wrote:
> >Just working on some ideas for alternative ways to apply resist.
> 
> Should we assume that you are aware of the availability of 
positive 
> photo resist PCBs with the resist already applied, it's just a 
matter 
> of peeling off a protective covering at exposure time? 
> 
> --- In Homebrew_PCBs@yahoogroups.com, "lcdpublishing" 
> <lcdpublishing@y...> wrote:
> > Hi All,
> > 
> > With regard to chemical etching of boards, what chemicals or 
> materials 
> > are good for resist?  I know there are resist pens, but I am 
unsure 
> of 
> > what the "Ink" is actually made of.  I also know that toner, 
which is 
> > primarily plastic, works as a resist. 
> > 
> > Just working on some ideas for alternative ways to apply resist.
> > 
> > Chris