Works the same way with Ammonium/Sodium Persulfate.
Rick

Dwayne Reid wrote:

> Something you may want to try: float the PCB on top of the etchant with the
> copper side down.  This works with FeCl - I haven't tried it with Ammonium
> Persulphate.
> dwayne
>
> --
> Dwayne Reid   <dwayner@planet.eon.net>
> Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
> (780) 489-3199 voice          (780) 487-6397 fax
>
> Celebrating 20 years of Engineering Innovation (1984 - 2004)

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