Homebrew PCBs

> Has anyone thought of a Yag laser for PCBs?
> I see people are actually 'milling' the unwanted copper off the 
> boards.
> 
> 
> Yags are great for copper (On CO2 lasers, copper is a BIG no-no) 
and 
> the beam can be delivered via fiber optics with a Yag.  Plus you 
> cna 'drill' the holes without a tool change.  Get fancy and you can 
> adjust to focus for bigger/smaller kerfs (though not recomemned)
> 
> Nice chemical free way of doing it (at least chem free before PTHs)


Here is a high speed PCBoard drilling machine that uses a 

laser.http://www.hitachidigital.com/laser.html



                                            John