Homebrew PCBs

>What I was thinking of when I mentioned this was mounting a small
>laser diode from a DVD burner in or in place of the inkjet head in a
>salvaged printer, putting the whole works in a light proof box
>(probably made out of black foamcore) and 'printing' directly on
>photosensitized positive or negative type emulsion.

As I know it is IR not UV laser.
Cristian 

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