Liquid jet recording head with a protective layer formed by conv

Details Liquid jet recording head with a protective layer formed by conv Liquid jet recording head with a protective layer formed by conv

1986-05-20

1987-09-15

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 11, G01D 1518

Patent

active

046943064

ABSTRACT:
A liquid jet recording head comprises a liquid discharging portion having an orifice for discharging liquid to form liquid droplets and a heat acting zone communicated with said orifice at which heat energy for forming flying liquid droplets acts on the liquid, and an electrothermal transducer, having at least a pair of confronting electrodes connected electrically to a heat generating resistance layer provided on a substrate thereby to form a heat generating portion between these electrodes, which includes a protecting layer which is formed by modification of the surfaces of said electrodes and is made into an insulating inorganic material.

REFERENCES:
patent: 3973106 (1976-08-01), Ura
patent: 4335389 (1982-06-01), Shirato
patent: 4392907 (1983-07-01), Shirato
patent: 4450457 (1984-05-01), Miyachi
patent: 4535343 (1985-08-01), Wright

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