Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masao Nakayama0
Hiromu Miyazawa0
Date of Patent
January 19, 2010
Patent Application Number
11831178
Date Filed
July 31, 2007
Patent Primary Examiner
Patent abstract
A liquid jet head includes: a substrate; a pressure generation chamber provided in the substrate; an elastic plate provided above the substrate; a capacitor structure section provided above the elastic plate, the capacitor structure section including a lower electrode layer, a piezoelectric layer and an upper electrode layer; a porous layer provided above the capacitor structure section; a seal layer provided on the porous layer; and a void section formed between the capacitor structure section and the porous layer.
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