Invention Grant
US07646140B2 Piezoelectric element containing perovskite type oxide, and liquid jet head and ultrasonic motor using the piezoelectric element
有权
含有钙钛矿型氧化物的压电元件以及使用该压电元件的液体喷射头和超声波电动机
- Patent Title: Piezoelectric element containing perovskite type oxide, and liquid jet head and ultrasonic motor using the piezoelectric element
- Patent Title (中): 含有钙钛矿型氧化物的压电元件以及使用该压电元件的液体喷射头和超声波电动机
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Application No.: US12364429Application Date: 2009-02-02
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Publication No.: US07646140B2Publication Date: 2010-01-12
- Inventor: Katsumi Aoki , Kenichi Takeda , Tetsuro Fukui , Hiroshi Funakubo
- Applicant: Katsumi Aoki , Kenichi Takeda , Tetsuro Fukui , Hiroshi Funakubo
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2006-250601 20060915
- Main IPC: H01L41/187
- IPC: H01L41/187
Abstract:
There is disclosed a piezoelectric element having, on a substrate, a piezoelectric body and a pair of electrodes which come in contact with the piezoelectric body, wherein the piezoelectric body consists of a perovskite type oxide represented by the following formula (1): (Bi,Ba)(M,Ti)O3 (1) in which M is an atom of one element selected from the group consisting of Mn, Cr, Cu, Sc, In, Ga, Yb, Al, Mg, Zn, Co, Zr, Sn, Nb, Ta and W, or a combination of the atoms of the plurality of elements.
Public/Granted literature
- US20090140197A1 PIEZOELECTRIC ELEMENT, AND LIQUID JET HEAD AND ULTRASONIC MOTOR USING THE PIEZOELECTRIC ELEMENT Public/Granted day:2009-06-04
Information query
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