Homebrew PCBs

What power laser are you using?

--- In Homebrew_PCBs@yahoogroups.com, Cristian <bip@...> wrote:
>
> 
> >
> >I imagine this could also be used directly on a board coated in toner?
> 
> I'm working on that, with red (only to see it) laser.
> Quite good results for the beginning. It melts the ordinary (cheapest) tonner.
> I have to solve:
>          how to coat uniformly with a thin layer
>          how to burn it, using a CNC machine (used before to drill 
> holes) = software problem.
>          how to collimate the beam for more resolution
> Cristian 
> 
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