Homebrew PCBs

> >beam (CO2 Beam is an infra red one) as to resist I have use plain
> black matt pressure pack spray paint to create brass stencils by this
> method it is a little hit and miss in that the paint sometimes does not
> evaporate cleanly but if you wipe it over with a paint thinner quickly
> you can tidy it up. Then I
> >
> 
> Hmm.. so it seems that getting a spray paint that does not leave any
> residue behind after laser cutting is extremely difficult to find!
> 
> One member, either here or some other forum, had posted that they had
> found a paint that left no residue, but I did not get any answer when I
> asked for a model number.


You need this: http://www.cermarc.com/.  There's another spray that brushes
off (this one needs water) or use the tape..  See www.laserbits.com for
prices.

Tony