--- In
Homebrew_PCBs@yahoogroups.com, "thespeakerguy"
<thespeakerguy@...> wrote:
>
> Hi Everyone -
>
> Can immersion silver be used as an etch resistant? I currently use
> Ferric Chloride.
>
> The reason I ask is that I flood my boards with copper, and the toner
> is a bit starved trying to print large blocks of solid black. If I used
> negative printing and a etch-resistant plating, this problem would go
> away (I hope)!
>
> Thanks
> John
> Staples Basic Glossy Photo Paper
> Ferric Chloride
> Mostly audio circuits
>
Gold works good as an etch resist in ferric chloride solutions but
silver probably won't work at all.