Invention Application
WO2013005701A1 PIEZOELECTRIC ELEMENT, MULTILAYERED PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS, ULTRASONIC MOTOR, OPTICAL APPARATUS, AND ELECTRONIC APPARATUS
审中-公开
压电元件，多层压电元件，液体放电头，液体放电设备，超声波电机，光学设备和电子设备
- Patent Title: PIEZOELECTRIC ELEMENT, MULTILAYERED PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS, ULTRASONIC MOTOR, OPTICAL APPARATUS, AND ELECTRONIC APPARATUS
- Patent Title (中): 压电元件，多层压电元件，液体放电头，液体放电设备，超声波电机，光学设备和电子设备
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Application No.: PCT/JP2012/066837Application Date: 2012-06-26
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Publication No.: WO2013005701A1Publication Date: 2013-01-10
- Inventor: HAYASHI, Jumpei , TAKEDA, Kenichi , KOYAMA, Shinya , AKASHI, Kenichi , FURUTA, Tatsuo
- Applicant: CANON KABUSHIKI KAISHA , HAYASHI, Jumpei , TAKEDA, Kenichi , KOYAMA, Shinya , AKASHI, Kenichi , FURUTA, Tatsuo
- Applicant Address: 30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo 1468501 JP
- Assignee: CANON KABUSHIKI KAISHA,HAYASHI, Jumpei,TAKEDA, Kenichi,KOYAMA, Shinya,AKASHI, Kenichi,FURUTA, Tatsuo
- Current Assignee: CANON KABUSHIKI KAISHA,HAYASHI, Jumpei,TAKEDA, Kenichi,KOYAMA, Shinya,AKASHI, Kenichi,FURUTA, Tatsuo
- Current Assignee Address: 30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo 1468501 JP
- Agency: ABE, Takuma et al.
- Priority: JP2011-149361 20110705
- Main IPC: H02N2/16
- IPC: H02N2/16 ; H01L41/09 ; H01L41/187 ; H02N2/10 ; B41J2/14 ; C04B35/468 ; G02B7/00
Abstract:
A lead-free piezoelectric element that stably operates in a wide operating temperature range contains a lead-free piezoelectric material. The piezoelectric element includes a first electrode, a second electrode, and a piezoelectric material that includes a perovskite-type metal oxide represented by (Ba 1 -xCa x )a(Ti 1-y Zr y )O 3 (1.00≤a ≤1.01, 0.02≤x≤0.30, 0.020 ≤y≤ 0.095, and y≤x) as a main component and manganese incorporated in the perovskite-type metal oxide. The manganese content relative to 100 parts by weight of the perovskite-type metal oxide is 0.02 parts by weight or more and 0.40 parts by weight or less on a metal basis.
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