[rescue] HP7550a plotter

Jochen Kunz jkunz at unixag-kl.fh-kl.de
Fri Oct 3 03:46:03 CDT 2003

On 2003.10.03 01:02 Geoffrey S. Mendelson wrote:

> 2. Does anyone use them for circuit board design anymore? If you do, 
>    how? The resist pen in the plotter method? Making photographic
>    masters? 
It is some years ago that I did my last PCB myself. I used a special
opaque plastic foil for plotting and ink pens to make photographic
masters. The pens are very expensive but give excelent results and last
forever. I recomend a ultrasonic cleaner to clean them. 

> 3. If you do use them for circuit board design, what software do you
> use?
Easytrax, a very primitive and old DOS based programm from Protel. 
Eagle, a ECAD system quite common in .de. Meanwhile there are Windows
and Linux versions available. 


Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/

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