Homebrew PCBs

> Wouldn't this work?
> http://www.wwwearables.com/notions/fiberetch/fiber_etch.htm
>
> I don't know if it's appeared on this group before, but it's a gel
> that dissolves plant fibers such as those found in natural fabrics and
> paper, while leaving synthetic materials (toner?) alone. There may be
> other brands, and it might be available in stores like Hobby Lobby.
>
> If the chemical they use can be located and obtained cheaply, perhaps
> this would even eliminate the need to peel the paper away and risk
> pulling off any traces. It may even remove the need to use photo
> coated paper. But for now it's cheap enough to use for removing paper
> fibers where the toner is needed for cosmetic reasons.
>
>

It's sodium bisulphate.
look here, a custm recepie:
<http://www.maiwa.com/pdf/44-52cat99.pdf>
someone buy it and try it please.

ST