Homebrew PCBs

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