Liquid jet recording head

Details Liquid jet recording head Liquid jet recording head

1987-01-27

1988-02-16

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

338309, G01D 1518

Patent

active

047258594

ABSTRACT:
A liquid jet recording head comprises an electro-thermal transducer having a heat-generating resistance layer provided on a substrate, a pair of electrodes connected electrically to said heat-generating resistance layer and disposed with a gap so as to confront each other and a heat-generating section provided between these electrodes; a liquid discharging section corresponding to said electro-thermal transducer having an orifice provided for forming flying liquid droplets and a liquid pathway connected to said orifice and having a heat acting portion where heat energy for forming liquid droplets acts on liquid as a part of its constitution; and a liquid chamber for storing said liquid to be supplied to said liquid pathway, which comprises forming said electrodes thinner in the vicinity of at least the portion in contact with said heat-generating section as compared with other portions of the electrodes.

REFERENCES:
patent: 3984844 (1976-10-01), Tanno
patent: 4259564 (1981-03-01), Ohkubo
patent: 4335389 (1982-06-01), Shirato
patent: 4339762 (1982-07-01), Shirato
patent: 4345262 (1982-08-01), Shirato
patent: 4438191 (1984-03-01), Cloutier
patent: 4450457 (1984-05-01), Miyachi

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