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

----- Original Message -----
From: "cruizzer77" <atlantis7@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Wednesday, July 21, 2004 12:30 PM
Subject: [Homebrew_PCBs] Spray etcher


> Hi,
>
> I'm currently building my own spray etcher of the rotating
> perforated tube type. The most difficult problem is to get the fluid
> up that tube. Does anyone know what kind of mechanism commercial
> spray etchers like the ones from Bungard use?

A peristaltic pump might work. It has the advantage that the etchant doesn't
come into contact with any moving parts.

Leon