Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "lcdpublishing" <lcdpublishing@...>
> Hmmm, makes me think of another possiblity though - laser etching?
> I know there are lasers that can focus their "cutting depth" which
> might allow for cutting through the copper and not the substrate. I
> would have to guess that this sort of laser would require a bit of
> power though.

EDM, perhaps, but still suffers from imperfect flatness on the substrate.