Homebrew PCBs

----- Original Message ----- 
From: "Adam Seychell" <a_seychell@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, January 23, 2006 2:40 AM
Subject: Re: [Homebrew_PCBs] Re: homebrew laser plotter


> roel_cnc wrote:
>
>>
>> hi Adam,
>>
>> Drum type would be nice but controlling and software tooks a great
>> deal of time to create i think !
>> must be somthing like a tv set creating a image on the screen with
>> sync goto next line :) lol
>>
>>
>> gr. Roel
>
>
> I'd be interested what you have discovered about photofilms for a home
> made plotter. Let us know anything that converts your cheap laser into
> raster scanning 20um beam projection. I think more  brain power would be
> required to devise software to compensate fringing of the projected beam
> as would to the accurate and well predicted spiral mapping in a drum
> plotter. If one were to build a < 50um resolution photoplotter then the
> only feasible method is with a rotating drum. I'd be interested any
> anyone's thoughts.

Mega Electronics sells film for use with their laser plotter (it uses a 
drum).

Leon
--
Leon Heller, G1HSM
leon.heller@...
http://www.geocities.com/leon_heller