I think he means he wants to collimate a UV laser beam.
Steve Greenfield
--- In
Homebrew_PCBs@yahoogroups.com, "Brian Clancy" <bclancy1@b...>
wrote:
> G'day
> I haven't tried it myself but I one saw reference to using the eggcrate
> diffuser for flourescent lights and painting it matt black to eliminate
> reflections.
>
> There was a light loss involved of about 25% I think.
>
> Cheers
> Brian
>
> -------Original Message-------
>
> From: Homebrew_PCBs@yahoogroups.com
> Date: 05/02/05 14:49:49
> To: Homebrew_PCBs@yahoogroups.com
> Subject: [Homebrew_PCBs] collimator help
>
> Anyone knows where to order an UV Collimator?
> I'm working to replace the mill on a CNC Milling Machine with a
.0254mm UV
> beam, on presensitivized PCB.
> Cristian
>