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

----- Original Message -----
From: "Tom Van den Bon" <tvdbon@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Tuesday, May 27, 2008 11:37 AM
Subject: [Homebrew_PCBs] UV Exposure Box


> Hi There,
>
> I've been creating my own pcb's for a while now using photosensitive
> boards and a uv light. My current uv light consists of a old scanner
> with three uv tubes in it. I'm currently looking to rebuild it and i
> found this website :
>
> http://www.prototrains.com/etch2/uv1.html
>
> This looks like a nice unit, but I don't understand what the grid
> between the light and the boards are for? Won't it break the light
> going to the board ?

I think it helps to collimate the light.

Leon
--
Leon Heller
Amateur radio call-sign G1HSM
Yaesu FT-817ND transceiver
Suzuki SV1000S motorcycle
leon355@...
http://www.geocities.com/leon_heller