RE: Ferric Chloride (FeCl3) Etch Mask?

Probably not what you are looking for, but a Sharpie pen works well,
the kind that writes on metal or other smooth surfaces. If it's a big,
simple design you can draw it by hand and the pen ink itself is a pretty
good resist.

- Clifford

>
> Hello,
> I'm hoping to etch patterns into/through copper, nickel, and/or aluminum
> foils using an aqueous solution of FeCl3. I was wondering if anybody
> has
> any experience etching any metals with FeCl3, and which masks work for
> this
> process. Any help would be greatly appreciated! Thanks,
> Kevin
> kcrabb@stanford.edu
>