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Subject: Re: For chemical etching

From: "derekhawkins" <derekhawkins@...>
Date: 2005-06-30

You can buy resist spray. I think Russ Shaw has a lot of experience
in this area. You can Google his name and resist spray or something
similar if he or someone else doesn't chime in here.

--- In Homebrew_PCBs@yahoogroups.com, "lcdpublishing"
<lcdpublishing@y...> wrote:
> 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