Liquid ejecting head, piezoelectric element, and liquid...

Details Liquid ejecting head, piezoelectric element, and liquid... Liquid ejecting head, piezoelectric element, and liquid...

2011-03-29

2011-03-29

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07914128

ABSTRACT:
A liquid ejecting head includes a piezoelectric element in which a lower electrode, a piezoelectric layer, and an upper electrode are laminated in this order, and a flow path forming substrate in which the piezoelectric element is formed above one surface thereof and a pressure generating chamber being communicated with a nozzle opening is provided, in which the upper electrode is formed so as to extend over an upper surface of the piezoelectric layer and an upper portion of side faces of the piezoelectric layer, and a protective film is formed above portions of the piezoelectric layer, which are not covered by the upper electrode.

REFERENCES:
patent: 6929355 (2005-08-01), Matsuzawa
patent: 7018023 (2006-03-01), Shimada
patent: 7481519 (2009-01-01), Shimada et al.
patent: 2000-246888 (2000-09-01), None
patent: 2007-118193 (2007-05-01), None
patent: 2007-261216 (2007-10-01), None
patent: 2007-281033 (2007-10-01), None
patent: 2008-044385 (2008-02-01), None

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