Homebrew PCBs

>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