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1996

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Subject:
Re: Carbon Ink Contact pattern design HELP
From:
Mike Buetow <[log in to unmask]>
Date:
Wed, 17 Apr 1996 09:17:34 -0500 (CDT)
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TEXT/PLAIN (14 lines) 
Hi Bob,

I don't know of any design patterns for carbon inks. 

A concern is placement, due to the electrical characteristics of the carbon.
IPC-D-275, para. 5.5.3, specifies that conductive marking inks shall be 
permanent and isolated by spacing or coating from the balance of the 
circuitry.

Mike Buetow
IPC Tech Staff

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