Liquid jet recording head

Details Liquid jet recording head Liquid jet recording head

1983-12-07

1986-03-18

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

045772029

ABSTRACT:
A liquid jet recording head, comprising a liquid discharging section having an orifice for discharging liquid to form liquid droplets and a liquid pathway, being connected to said orifice and having a heat acting portion at which heat energy for forming liquid droplets acts on liquid as a part of its constitution, a common liquid chamber for storage of said liquid to be supplied to said pathway and an electro-thermal transducer, having at least a pair of confronting electrodes connected electrically to a heat generating resistance layer provided on a substrate thereby forming a heat generating section between these electrodes, characterized in that an upper layer comprises a first layer constituted of an inorganic dielectric material, a second layer constituted of an organic material and a third layer constituted of an inorganic material, these layers being laminated in this order from the side of said electrodes on at least the portion of said electrodes lying beneath said common liquid chamber or on the portion at the upstream side of said heat generating portion.

REFERENCES:
patent: 4335389 (1982-06-01), Shirato et al.
patent: 4450457 (1984-05-01), Miyachi et al.

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