Thermal print head

Details Thermal print head Thermal print head

1988-07-14

1990-02-27

Walberg, Teresa J.

Recorders

Thermal recording

219216, 338308, 428640, G01D 1510, H05B 100, H01C 1012, B32B 1500

Patent

active

049050206

ABSTRACT:
A thermal print head comprising a sequential laminated arrangement of an insulating substrate, a heating resistance layer, an electrode layer formed in a predetermined pattern, and a protective layer. The protective layer is formed of a mixture of Al.sub.2 O.sub.3 as a principal component, and SiO.sub.2. The protective layer has satisfactory heat resistance, abrasion resistance, crack resistance, moisture resistance and chemical stability.

REFERENCES:
patent: 4168343 (1979-09-01), Arai et al.

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