Liquid droplet ejecting head and image forming device

Details Liquid droplet ejecting head and image forming device Liquid droplet ejecting head and image forming device

2007-11-16

2010-12-07

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S050000, C347S068000

Reexamination Certificate

active

07845770

ABSTRACT:
A liquid droplet ejecting head including a plurality of pressure chambers; nozzles communicating respectively with the plurality of pressure chambers; a vibrating plate that forms portions of the plurality of pressure chambers; a piezoelectric body disposed above the vibrating plate; individual electrodes formed respectively for each of the plurality of pressure chambers at one of a bottom surface and a top surface of the piezoelectric body, the individual electrodes being one polarity of the piezoelectric body; a common electrode, formed at the other surface of the one of a bottom surface and a top surface of the piezoelectric body, so as to extend over the plurality of pressure chambers, the common electrode being the other polarity of the piezoelectric body; electrical connecting portions electrically connected to the individual electrodes; and first electrode members electrically isolated from the common electrode, is provided.

REFERENCES:
patent: 6336717 (2002-01-01), Shimada et al.
patent: 6969158 (2005-11-01), Taira
patent: 3052336 (1992-02-01), None
patent: 2000-211134 (2000-08-01), None
patent: 2005-059430 (2005-03-01), None
patent: 2006-289965 (2006-10-01), None

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