Edge type thermal printhead

Details Edge type thermal printhead Edge type thermal printhead

1988-11-14

1990-08-07

Miller, Jr., George H.

Recorders

Thermal recording

219216, 400120, G01D 900

Patent

active

049471830

ABSTRACT:
A duplex edge type thermal printhead assembly includes a pair of top and bottom substrates each of which is provided with a plurality of top and bottom heat-producing elements arranged in the form of an array on its main surface. The top and bottom substrates are fixedly attached together with their main surfaces facing each other so that the top and bottom electrodes are alternately arranged at an equal interval to define an integrated array of heat-producing elements. An edge type thermal printhead assembly in accordance with another aspect of the present invention includes a substrate having a main surface and an end surface and a heat insulator region formed from a glass glaze material at a corner between the main and end surfaces. An array of heat-producing elements is formed on a surface portion of the heat insulator region which is coplanar with the main surface of the substrate.

REFERENCES:
patent: 4810852 (1989-03-01), Bakewell

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