Liquid ejection head and method of manufacturing liquid...

Details Liquid ejection head and method of manufacturing liquid... Liquid ejection head and method of manufacturing liquid...

2008-04-15

2008-04-15

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S069000

Reexamination Certificate

active

11374083

ABSTRACT:
The liquid ejection head comprises: a plurality of pressure chambers which contain liquid and are arranged in a two-dimensional matrix configuration; a plurality of nozzles which connect to the pressure chambers and eject the liquid; a diaphragm which forms one face of the pressure chambers; a plurality of piezoelectric elements which are formed on a face of the diaphragm reverse to a face thereof adjacent to the pressure chambers, each of the piezoelectric elements corresponding to each of the pressure chambers; a plurality of electrical wires which connect to the piezoelectric elements and extend in a direction substantially perpendicular to the face on which the piezoelectric elements are formed; a sealing member which seals off at least one of the piezoelectric elements and at least one of the electrical wires so that space is formed over a side of the at least one of the piezoelectric elements reverse to a side adjacent to the diaphragm; and a common liquid chamber which supplies the liquid to the pressure chambers and is arranged on a side of the sealing member reverse to a side thereof on which the pressure chambers are arranged.

REFERENCES:
patent: 5754205 (1998-05-01), Miyata et al.
patent: 5912684 (1999-06-01), Fujii et al.
patent: 6109736 (2000-08-01), Miyata et al.
patent: 6616270 (2003-09-01), Miyata et al.
patent: 9-314833 (1997-12-01), None
patent: 10-305578 (1998-11-01), None
patent: 2000-127379 (2000-05-01), None
patent: 2003-127366 (2003-05-01), None

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