> OK, what I'd like to see is a system using laser to heat/melt copper
powder
> so that it sticks to a bare fiberglass board.  To do this you will first
> have to coat the board and that wouldn't be hard as fine grained copper
acts
> a bit sticky by itself and youy can simply distribute it aboput evenly
over
> the board and press it down with a roller.
> Now...  To heat the copper we use a laser.  The cool thing now is that
we
> can either do raster mode, or we can do vector-based tracing.  The
latter
> would give great control :-)
>
> Problem is getting a laser powerful enough.  If it's focused finely
enough
> this shouldn't be too big a problem...
>
> Whaddya think ?

You should look into the melting temperature of copper with respect to the
temperature at which the resin in the fiberglass stops working.

Doesn't sending your boards to Advanced Circuits or PCB Express sound
pretty good by now?  It's been entertaining watching the each flaky idea
trump the next on this thread, but it's getting a bit rediculous now.


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