We use a 2.5kW CO2 laser for embossing -- in our application it's very important to use a ventilator -- elsewise the "contrastiness" is impaired -- just as if you were using a camera with a dab of finger grease on the lense.
--- In Homebrew_PCBs@yahoogroups.com, "hotsnausage" <hotsnausage@...> wrote:
>
> We basically use this process, but we use a different Rustoleum product and it works fine.
>
> Don't forget to take into account the width of the laser beam when laying out your traces. Don't layout any traces less than 16mil, because you'll only have 6-8mil left after lazing. Also, spray on only enough paint to cover the board, otherwise that's more airborne, burnt paint that will land and fuse back on the board.
>
> -e
>
> --- In Homebrew_PCBs@yahoogroups.com, "kbshankar2000" <kbshankar2000@> wrote:
> >
> > I am interested in knowing how many of you have experimented with a
> > laser cutter for DIY PCB?
> > ...
> >
>