Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "mihai_hagianu"
<mihai_hagianu@y...> wrote:

>
>
>
>
> Hi,
>
> has anyone ever tryed electro-etchig for PCBs ?
> What chemicals/ setup should be used? what pros and contras are in it?
>
> thank you,
> mihai

I tried EDM on PCB's a year ago and while you can do very fine traces
( for BGAs and the like ), it is a VERY slow process, even when you
use post process etching to remove large copper areas.

TT and H202 enhanced CuCl is the way to go!

Curt