Electrographically making devices having electrically conductive

Details Electrographically making devices having electrically conductive Electrographically making devices having electrically conductive

1991-01-04

1995-05-16

Picard, Leo P.

Photocopying

Contact printing

Light boxes

355311, 430126, G03G 1514

Patent

active

054165695

ABSTRACT:
Devices having conductive paths are fabricated by electrographically transferring conductive toner to an insulative copy sheet imaging desired conductive paths graphically represented by an electromagnetic signal. A system for making devices having electrically conductive paths corresponding to those graphically represented on a mask has an electrographic machine having electrically conductive toner and a bonder for bonding the electrically conductive toner to a copy sheet. An insulative copy sheet is configured to pass through the electrographic machine bonder and receive the electrically conductive toner only on paths corresponding to those graphically represented on the mask. The electrically conductive toner has a conductivity sufficiently high so as to provide electrically conductive paths along a copy sheet bearing an electrographically transferred image of the mask with the electrically conductive toner bonded to the copy sheet along the electrically conductive paths with the resistance between points along the conductive paths being many times less than that of regions adjacent to the electrically conductive paths.

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