Thermal printing head with an anti-abrasion layer and method of

Details Thermal printing head with an anti-abrasion layer and method of Thermal printing head with an anti-abrasion layer and method of

1984-03-19

1986-06-17

Albritton, Clarence L.

Electric heating

Heating devices

Combined with diverse-type art device

219543, 346 76PH, G01D 1510, B47J 320

Patent

active

045958238

ABSTRACT:
Cracks in an Ta.sub.2 O.sub.5 anti-abrasion layer of a thermal printing head resulting from the crystallization of the Ta.sub.2 O.sub.5 in the layer, are suppressed by the addition of SiO.sub.2 to the layer. The anti-abrasion layer is provided as a uniform mixture of Ta.sub.2 O.sub.5 and SiO.sub.2 throughout the layer by sputtering a target composed of a mixture containing tantalum and silicon ingredients onto an antioxidation layer. The thermal printing head is also subjected to annealing to stabilize the resistivity of the heating elements.

REFERENCES:
patent: 4241103 (1980-12-01), Ohkubo
patent: 4259564 (1981-03-01), Ohkubo

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