On Fri, 02 Mar 2007 15:45:37 +0100, docstein99 <
docstein99@...>
wrote:
> I thought co2 lasers were powerful enough to obliterate the copper
> itself??? Why bother spraying and etching, when it could simply be set
> to burn drill-holes, and burn the copper all on the same machine.
because once the copper is gone, it's hard to stop and the fr4 will go too.
It's like cutting a piece of wood sitting on a chunk of styrofoam, using
an axe.
It has been done commercially, but it's not something one can cobble
together on a weekend.
ST