Recorders – Markers and/or driving means therefor – Printing – dotting – or punching marker
Patent
1994-08-08
1996-01-30
Tran, Huan H.
Recorders
Markers and/or driving means therefor
Printing, dotting, or punching marker
347141, 347150, B41J 2395
Patent
active
054883946
ABSTRACT:
A print head is made from an electronic circuit having a pattern of electric conductors embedded in a dielectric substrate. The conductors are formed by depositing a cermet material in grooves in the substrate, and heating the substrate in a kiln so as to make the cermet electrically conductive, and to form a very tight bond between the conductors and the substrate. The resulting circuit is stable, rugged, and capable of withstanding a wide range of adverse environmental conditions. The print head can be used in a thermal or electrostatic printer, or other type of printer using a print head powered by electric circuitry. The rugged, high-density circuit of the present invention can generate a set of very closely-spaced conductors which are then used to produce a high-density image. The invention also includes a multi-layered version of the print head, and permits the production of black and white or color halftone images having very large numbers of grey scale levels, and exceptional resolution.
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Eilberg William H.
Max Levy Autograph, Inc.
Tran Huan H.
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