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Title:
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC MEMBER, PIEZOELECTRIC ELEMENT, AND PRESSURE SENSOR
Document Type and Number:
WIPO Patent Application WO/2020/262256
Kind Code:
A1
Abstract:
Provided are a piezoelectric material, a piezoelectric member, a piezoelectric element, and a pressure sensor that are usable in a high-temperature environment. This piezoelectric material comprises a Sr-substituted åkermanite represented by Ca(2-x)SrxMgSi2O7(0.1≤x≤0.6).

Inventors:
TAKEDA HIROAKI (JP)
TSURUMI TAKAAKI (JP)
KUSAKABE HIRAKU (JP)
USUI HARUKI (JP)
Application Number:
PCT/JP2020/024226
Publication Date:
December 30, 2020
Filing Date:
June 19, 2020
Export Citation:
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Assignee:
TOKYO INSUTITUTE OF TECH (JP)
KOIKE CO LTD (JP)
International Classes:
G01L1/16; G01L23/10; H01L41/053; H01L41/113; H01L41/187; H01L41/22; H01L41/338
Domestic Patent References:
WO2006077756A12006-07-27
Foreign References:
JP2017183550A2017-10-05
US20140327340A12014-11-06
JP5966683B22016-08-10
JP2017183550A2017-10-05
Other References:
CHUANYING SHEN, J. APPL. PHYS., vol. 117, 2015, pages 064106
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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