Ink jet recording head assembly

Details Ink jet recording head assembly Ink jet recording head assembly

1991-12-09

1995-02-14

Hartary, Joseph W.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 46, 347 85, B41J 205, B41J 2175

Patent

active

053899628

ABSTRACT:
An ink jet recording head assembly includes: a base member having a plurality of enclosures, a top of each of the enclosures having an opening; a mechanism for supplying ink to each of the enclosures via the opening at the top thereof and for maintaining the ink at a predetermined depth; and a heater element which is provided in each of the enclosures under the ink supplied via the opening, the heater element heating the ink in each of the enclosures so that a bubble is generated in the ink; wherein an ink drop is jetted from a surface of the ink due to the bubble generated in the ink.

REFERENCES:
patent: 4312009 (1982-01-01), Lange
patent: 4394670 (1983-07-01), Sugitani
patent: 4410899 (1983-10-01), Haruta
patent: 4503444 (1985-04-01), Tacklind
patent: 4580148 (1986-04-01), Domoto
patent: 4596994 (1986-06-01), Matsuda
patent: 4942408 (1990-07-01), Braun
patent: 4980703 (1990-12-01), Sakurai
Patent Abstracts of Japan, M-576, Mar. 31, 1978, English-language Abstract of Japanese Laid-Open Patent Application No. 61-249768.
Patent Abstracts of Japan, Abstract of Japanese Laid-Open Patent No. 2-155652, vol. 14, No. 407, Sep. 4, 1990, p. M-1019.
Patent Abstracts of Japan, Abstract of Japanese Laid-Open Patent No. 1-180352, vol. 13, No. 462, Oct. 19, 1989, p. M-881.

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