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