Homebrew PCBs

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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