Homebrew PCBs

Jerome Decock wrote:
> It cannot burn copper because of reflection, laser is light and copper is
> shiny. I have seen some people trying to paint the copper with black heat
> conductive paint, but I never saw the result. You would need quite a
> powerful laser anyhow...

There's a black coating resist that's designed to be coated on pcb and burnt off
with a laser. It's designed for the laser engravers commonly seen on ebay.