Thin-film transducer ink jet head

Details Thin-film transducer ink jet head Thin-film transducer ink jet head

1993-07-09

1995-08-29

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

310328, B41J 2045

Patent

active

054464846

ABSTRACT:
In the particular embodiments described in the specification, a thin-film transducer ink jet head has a substrate with a plurality of openings providing ink chambers and an orifice plate providing corresponding orifices and includes a thin-film piezoelectric transducer element on the side of the substrate opposite the orifice plate, which includes a piezoelectric film with a thickness in the range from 1-25 microns and an array of electrodes disposed on one surface of the piezoelectric film having at least three electrodes adjacent to each of the chambers, along with an arrangement for selectively applying different electric potentials to alternate electrodes in the array adjacent to each of the chambers.

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patent: 4490641 (1984-12-01), Takeuchi et al.
patent: 4584590 (1986-04-01), Fischbeck
patent: 4668964 (1987-05-01), Padalino et al.
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patent: 4825227 (1989-04-01), Fischbeck et al.
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patent: 5175565 (1992-12-01), Ishinaga et al.
patent: 5202703 (1993-04-01), Hoisington et al.
Lonis, Robert A.; "Storage of Operating Parameters in Memory Integral with Printhead", Xerox Disclosure Journal; vol. 8, No. 6 Nov./Dec. 1983; p. 503.

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