Homebrew PCBs

> SurfThenet wrote:
>
> Has anyone ever tried to make a printed circuit
> board by printing a reverse image onto a sheet
> of aluminium foil [with an ink jet printer],
> then plating copper onto the exposed trace?
> This sheet would be epoxied [copper side down]
> onto a  thin  fiber glass board, allowed to set
> and then caustic soda would eat the aluminium
> away leaving the copper trace behind.
> 
> Sound feasible?  See any obvious problems with
> the approach?

Apart from the fact that is sounds harder and
more expensive than just using photographic
emulsion as nature/god/kodak intended.