Thermal print head

Details Thermal print head Thermal print head

1986-02-07

1988-05-03

Goldberg, E. A.

Recorders

Thermal recording

219216, 338308, 338309, 427 58, 427402, 427404, G01D 1510, H01C 1012, B05D 136

Patent

active

047423617

ABSTRACT:
Disclosed is a thermal head in which a heat-generating resistor layer, a power feeding conductor layer, and a protecting film are formed on an electrically insulating substrate, the heat generating resistor layer being constituted by an alloy of tantalum, rare earth metals, and nitrogen.
Further disclosed is a method of producing a thermal head comprising the steps of forming a heat-generating resistor layer, a power feeding conductor layer, and a protecting film, on an electrically insulating substrate, the step of forming the heat-generating resistor layer including the step of performing spattering in mixed gases of argon and nitride to form the heat-generating resistor layer made of an alloy of tantalum, a rare earth metal material, and nitrogen, by using a composite target in which small pieces of the rare earth metal materials are disposed on a tantalum target.

REFERENCES:
patent: 3321727 (1967-05-01), Schrewelius
patent: 4042479 (1977-08-01), Yamazaki et al.
patent: 4105892 (1978-08-01), Tashiro et al.
Condensed Chemical Dict., G. Hawley, pp. 743, 744, Van Nostrand Reinhold Co., 1980.

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