Homebrew PCBs

This is a brilliant idea - it also solves the problem of vaporized resist
redepositing on the board.

Has anyone tried anything like this?

-Andrew

On Wed, Dec 29, 2010 at 9:28 PM, <kabowers@...> wrote:

>
> Could you maybe do an addictive process?
>
> I wonder what would happen if you spread a film of loose toner over
> the board and then used the laser to melt it where you wanted traces.
> Then dust the board off and etch. Might want a second heating with a high
> intensity lamp or some such to more firmly fuse the toner to the copper.
>
> I suspect this type of process would require a lot less energy than
> vaporizing
> something. It would also get away from possible problems of the copper
> reflecting
> the laser beam back into the laser and damaging it. IIRC copper is a really
> great reflector of infrared energy.
> Keith Bowers WB4LSJ- Thomasville, NC
>


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