On 13/04/2011 14:31, Boman33 wrote:
> Here is a crazy idea that might just work:
>
> A first requirement is being able to cut out a PCB the to look just like a
> CD. It needs to be accurate and typically a lathe would be used. Apply a
> layer of paint or other protective coating over the copper.
>
>
>
> Pop it into a CD burner that has the Light Scribe or whatever it is called
> feature to mark CDs. Take the layout and convert it to a JPG and use the
> marking software to place it on the CD. Several small SMT PCBs will fit on
> a CD. "Write" the picture to the "CD" and hopefully it will vaporize the
> paint. Afterwards etch the boards as usual.
>
> If the power is controllable, it might also be used to expose a photoresist
> as an alternative.
CD lasers don't have enough power.
Leon
--
Leon Heller
G1HSM