Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 29, 2011
Patent Application Number
12413422
Date Filed
March 27, 2009
Patent Primary Examiner
Patent 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.
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