Piezoelectric element, droplet-ejecting head,...

Details Piezoelectric element, droplet-ejecting head,... Piezoelectric element, droplet-ejecting head,...

2006-04-14

2010-02-09

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C310S311000

Reexamination Certificate

active

07658475

ABSTRACT:
The present invention provides a piezoelectric element including a piezoelectric body and top and bottom electrodes holding the piezoelectric body therebetween, wherein an interlayer dielectric having an opening that defines an active area of the piezoelectric body is interposed between the piezoelectric body and the top electrode, and the top electrode is layered directly on the piezoelectric body in the active area of the piezoelectric body.

REFERENCES:
patent: 6154239 (2000-11-01), Chatterjee et al.
patent: 6407481 (2002-06-01), Takeuchi et al.
patent: 6903491 (2005-06-01), Irie et al.
patent: 6929355 (2005-08-01), Matsuzawa
patent: 7090323 (2006-08-01), Takatsuka
patent: 2003-154646 (2003-05-01), None

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