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Subject: Re: [Homebrew_PCBs] Re: Circuit Cellar article

From: "Leon" <leon355@...>
Date: 2007-05-10

----- Original Message -----
From: "K Wolf" <kevinmwolf@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Thursday, May 10, 2007 10:44 AM
Subject: RE: [Homebrew_PCBs] Re: Circuit Cellar article


> Has anyone found the staedler (or other store-bought pens) able to
> withstand
> the muriatic acid and hydrogen peroxide etchant solution? I tried both the
> sharpie "paint pens" with fair results, and sharpie permanents. Both seem
> to
> immediately dissolve in the solution.

They work OK with ferric chloride.

Leon