Thermal head, method for manufacturing the same, and method...

Details Thermal head, method for manufacturing the same, and method... Thermal head, method for manufacturing the same, and method...

2007-01-30

2007-01-30

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

Reexamination Certificate

active

11031299

ABSTRACT:
In a thermal head provided with a resistance layer having a plurality of heating element portions which generate heat by energization, an insulating barrier layer which determines the two-dimensional size of each heating element portion by covering each heating element portion, and electrode layers electrically connected to two end portions of each of the plural heating element portions, in the length direction of the resistance, a heat transfer layer is disposed on at least the insulating barrier layer to determine the two-dimensional surface exposure area of the insulating barrier layer by covering part of the insulating barrier layer and to dissipate the heat generated from the plural heating element portions, and surface exposure regions of the insulating barrier layer are specified as effective heating regions of the plural heating element portions by adjusting the two-dimensional size of the heat transfer layer.

REFERENCES:
patent: 5635974 (1997-06-01), Yasutomi et al.
patent: 5969743 (1999-10-01), Tanaka
patent: 6452621 (2002-09-01), Nakamura
patent: 03073362 (1991-03-01), None
patent: 5-050630 (1993-03-01), None

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