Environmentally and wear protected glass substrate thin film the

Details Environmentally and wear protected glass substrate thin film the Environmentally and wear protected glass substrate thin film the

1976-04-02

1977-07-26

Albritton, C. L.

Electric heating

Heating devices

Combined with diverse-type art device

219543, 338308, 338309, 338314, 427103, H05B 100

Patent

active

040385175

ABSTRACT:
Glass-substrate thin film thermal printheads are protected from both chemical contamination and the mechanical wear by a coating comprising aluminum oxide (Al.sub.2 O.sub.3) over silicon monoxide (SiO) disposed on the printhead.

REFERENCES:
patent: 3496333 (1970-02-01), Alexander et al.
patent: 3515850 (1970-06-01), Cady
patent: 3931492 (1976-01-01), Takano et al.

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