Thermal head for thermal recording

Details Thermal head for thermal recording Thermal head for thermal recording

1986-01-23

1987-11-24

Swisher, Nancy A.

Stock material or miscellaneous articles

Composite

Of inorganic material

428703, 501134, 501 63, 360127, 346 76PH, 219543, G01D 1510, B47J 320

Patent

active

047089156

ABSTRACT:
Disclosed is a thermal head comprising a protecting film composed of tantalum silicon oxynitride. An undercoat film may be formed between this protecting film and heat-generating resistors and electrodes. This protecting film is excellent in the abrasion resistance and oxygen barrier property and acts as an excellent barrier to alkali metal ions to be injected into the head from a heat-sensitive recording paper.

REFERENCES:
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patent: 3630765 (1971-12-01), Arajo
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patent: 4168343 (1979-09-01), Arai et al.
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patent: 4536645 (1985-08-01), Mio et al.
patent: 4595823 (1986-06-01), Sorimachi et al.
patent: 4608293 (1986-08-01), Wada et al.
patent: 4614689 (1986-09-01), Ikeda et al.
patent: 4650726 (1987-03-01), Yamaguchi et al.

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