Leon Heller <
leon.heller@...> wrote: ----- 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).
Might be possible to hack an old HP LJ engine if you substitute the IR laser with something the film is sensitive to. Still sounds like a project more for self-education/entertainment than of practical value.
- YD.
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