Homebrew PCBs

On Wed, 14 Apr 2004 13:57:08 -0400, John Johnson <johnatl@...> wrote:

> I'm thinking about making a photo-plotter attachment for my router /
> mill.
> Do any of you know of a small UV light source that would be suitable?
> I've found some violet LEDs, but I'm not sure they emit enough in the
> UV range.
>
> I'll probably include a small stepper and aperture wheel, which I'll set
> up as the A axis in TurboCNC. I could set it up so that A1 would
> turn the wheel to aperture 1, A2 would turn to aperture 2, etc.
>
> I suppose if it's an incandescent / fluorescent source, I'll also need
> some sort of
> shutter affair too. I could probably spin the aperture wheel around to
> a closed
> position.
>
> Any help greatly appreciated!
>
> Regards,
>    JJ


maybe a lcd could be used as a shutter?

maybe some sort of fiberoptic could be used to connect the (bigger) 
lightsource to a small head.
must look out for the damping of course...

maybe mirrors would be another option..

aern't there uv lasers? maybe ebay?

ST