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Subject: Re: [Homebrew_PCBs] CD shaped PCB

From: Tim Hills <thills@...>
Date: 2011-04-13

2 things come to immediately to mind.

CD/DVD recorders use Infrared lasers and most photoresist is UV sensitive.

I don't know if the resolution of a lightscribe would be fine enough.

Worth a shot though if you can find IR sensitive resist.

TIm

On 4/13/2011 8:31, 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.
>
> Bertho
>
>



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