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April 1997

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Subject:
From:
John Nelson <[log in to unmask]>
Date:
Tue, 1 Apr 1997 07:42:31 -0500
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We use Minico M-5010-CR carbon ink from:
 W.R. Grace & Co		
5210 Philip Lee Dr.
Atlanta, GA 30336
(404)699-3355
(404)699-3332 FAX
Minico Polymer Thick Film

We screen print it with an Autooroll and bake it twice.  The stuff is available in different 
resistance formulations  from 1 ohm per square to 100 ohms per square.  It is pretty easy to screen 
as long as you have good ventilation in the screening area (strong solvent odor).

DuPont has a similar product called E81072 Conductive Carbon Coating.  I have the data sheets and a sample.  It smells less than the Minico ink so the operators prefer it.  Unfortunately the data sheet says it is only available in 24-27 ohms per square.  They may have other flavors.  You can call John Crosby at
DuPont
Richmond, VA
(804)745-2706
(800)217-6261 pager  
[log in to unmask]
Good luck trying to reach him.  They spread him real thin.

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