Liquid ejection head and image forming apparatus

Details Liquid ejection head and image forming apparatus Liquid ejection head and image forming apparatus

2006-06-15

2009-10-13

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07600860

ABSTRACT:
The liquid ejection head comprises: a plurality of nozzles through which liquid is ejected in an ejection direction; a plurality of pressure chambers which are connected respectively to the nozzles and filled with the liquid; and a plurality of piezoelectric elements which are provided respectively for the pressure chambers, the piezoelectric elements deforming to pressurize and cause the liquid in the pressure chambers to be ejected through the nozzles, the piezoelectric elements being substantially thin plate-shaped and layered in a thickness direction of the piezoelectric elements, the thickness direction being substantially perpendicular to the ejection direction.

REFERENCES:
patent: 6488355 (2002-12-01), Nakamura et al.
patent: 6742875 (2004-06-01), Usui et al.
patent: 2002/0080215 (2002-06-01), Sakaida et al.
patent: 2003/0071874 (2003-04-01), Ishizawa et al.
patent: 2004/0090498 (2004-05-01), Sakaida et al.
patent: 2005/0185030 (2005-08-01), Hoisington et al.
patent: 2006/0012645 (2006-01-01), Nagashima
patent: 2001-334661 (2001-12-01), None
patent: 2002-79683 (2002-03-01), None
patent: 2002-166543 (2002-06-01), None

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