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1996

DesignerCouncil@IPC.ORG
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From [log in to unmask] Thu Apr 25 09:
49:24 1996
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Re: Carbon Ink Contact pattern design HELP
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Mike Buetow <[log in to unmask]>
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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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