> Cannot think of any PIC applications at this point.  The UV curing rubber
> stamp liquid costs US$ 60 for 2 kg from 'Rubber Stamp and Engraving Co.'
> +27 (11) 838-7882  (this is only useful for South Africa)  you need about
> 3 ml for a 1 x 2" address stamp so the material cost is near US$0.10
> per stamp that gets sold for US$20, nice profit (needs the handle too).
>
> Perhaps one could use a small PIC servo driven Pantograph with a optical
> fibre to a UV light source and then make a toy 3DSL machine for US$ 100
> instead of US$100 000.  Make your own rubber stamps in any event.
>
I'm just going after an crazy idea here... but it might be possible
to cover an pcboard with an thin layer of this rubber, trace the
circuit tracks with an UV light, and then wash and etch the board.

Any ideas on a bright enough UV source?

Nic van der Walt
Wasp International