Feedrates!!!!
I'm a CNC CO2 laser tech now. We can etch material.
Its all power to speed ratios.
--- In
Homebrew_PCBs@yahoogroups.com, Hans Wedemeyer <hans@c...>
wrote:
> Well I posted a similar question and got the reply ... you will end
up
> with a PCB jigsaw....
> How are you going to stop the laser burning the FR4 material ?
> If you can do that I'm interested....
> Hans W
>
> anode505 wrote:
>
> >
> >
> > 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)
> >
> >
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