Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "Phil" <phil1960us@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Thursday, March 10, 2005 6:24 PM
Subject: [Homebrew_PCBs] Re: bubbler - more even spread of bubbles


>
>
> I'm thinking of going to a mechanical agitator to move the board up/dn
> but have no idea if it will work well. I figure something around 100
> hz to start with.

One manufacturer of etching equipment uses a foam generator with FeCl3. I
think I saw one of their tanks in the Farnell catalogue.

Leon