Homebrew PCBs

--- In Homebrew_PCBs@y..., Steve Greenfield <alienrelics@y...> wrote:
> I have a feeling those were wax. Mylar is what the ribbon backing
> is made of. So really the Alps and Fargo wax thermal are just newer
> versions of that.
Steve,
      So the print that came off the mylar was colored wax. So
I take it wax will repel acid if it will stay stuck to the 
copper.

                                        John




> 
> Steve
> 
> --- crankorgan <john@k...> wrote:
> > Hi Group,
> >          Remember the Mylar printers that would do letter quality
> > printing. They had ribbons that could only be used once. If you
> > took
> > the ribbon apart you could see everything that was printed by the
> > printer. I was wondering if the Mylar print would hold up to the
> > acid.
> > 
> >                                      Crankster 
> 
> 
> 
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