Homebrew PCBs

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>When I have some time, I think I want to try using a laser to strip
>paint (resist) off the pcb. The technology is clear cut and certainly
>works. I found someone who can sell me a laser that will focus down
>to 3 mils (IIRC), and I have a pcb cnc mill to carry it. Someone in
>Instructibles described a using two flatbed scanner carcasses to make
>a paper cutting cnc laser for <$50 that looks like it would work well
>for this application, too.

I have time and a cnc machine to try that, but no such sharp laser.
Could you give me the supplier's contact details, please?
Cristian 

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