Liquid delivering device

Details Liquid delivering device Liquid delivering device

2005-06-28

2010-02-02

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S094000

Reexamination Certificate

active

07654649

ABSTRACT:
A liquid delivering device including: a flow passage unit having a plurality of pressure chambers each of which communicating with a liquid ejection port; a piezoelectric actuator for selectively changing the volume of the plurality of pressure chambers, the piezoelectric actuator including a plurality of individual electrodes corresponding to the plurality of pressure chambers, a common electrode opposing the plurality of individual electrodes, and a piezoelectric layer sandwiched between the plurality of individual electrodes and the common electrode; and a rigidity reduction section which reduces the rigidity of the piezoelectric actuator and which is provided in an area where at least the pressure chamber is formed and in a vicinity of the individual electrode, in perspective plan view.

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Office Action in corresponding Japanese Application No. 2003-109701.

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