Homebrew PCBs

--- 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.