Ink jet head apparatus

Details Ink jet head apparatus Ink jet head apparatus

1995-02-22

1995-12-12

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2045

Patent

active

054754089

ABSTRACT:
An ink jet head apparatus includes a piezoelectric actuator having a plurality of laminated piezoelectric elements, each of the piezoelectric elements having a piezoelectric body with a signal electrode and a ground electrode formed on the opposite sides of the piezoelectric body, an ink chamber for storing ink pressurized by a transformation of the piezoelectric actuator, a connecting conductor for the signal electrode through which electrodes having a plurality of the signal electrode are connected to each other, and a connecting conductor for the ground electrode through which electrodes having a plurality of the ground electrode are connected to each other, and the connecting conductor for the ground electrode being located on the side of the ink chamber.

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patent: 4459601 (1984-07-01), Howkins
patent: 4523121 (1985-06-01), Takahashi et al.
patent: 4825227 (1989-04-01), Fischbeck et al.
patent: 4842493 (1989-06-01), Nilsson
patent: 4962391 (1990-10-01), Kitahara et al.
Crooks, W. et al., "Corrosion Protection of Electrodes by Eelctrical Biasing", IBM TDB, vol. 26 No. 6 Nov. 1983 p. 2938.
"Multilayer Transducers", Xerox Disclosure Journal, vol. 8 No. 5 Sep./Oct. 1983, p. 419.

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