Title:
LEAD-FREE PIEZOELECTRIC COMPOSITION AND PIEZOELECTRIC ELEMENT
Document Type and Number:
WIPO Patent Application WO/2024/070849
Kind Code:
A1
Abstract:
A lead-free piezoelectric composition according to the present invention comprises a main phase containing an alkali niobate perovskite oxide, and a sub-phase containing an Mn oxide, the Mn oxide containing 0.05-5 mol% inclusive of Sc.
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Inventors:
HIROSE YOSHINOBU (JP)
ICHIHASHI KENTARO (JP)
NISHI TOMOHIRO (JP)
YAMAZAKI MASATO (JP)
ICHIHASHI KENTARO (JP)
NISHI TOMOHIRO (JP)
YAMAZAKI MASATO (JP)
Application Number:
PCT/JP2023/034101
Publication Date:
April 04, 2024
Filing Date:
September 20, 2023
Export Citation:
Assignee:
NITERRA CO LTD (JP)
International Classes:
H10N30/50; C04B35/495; H10N30/053; H10N30/093; H10N30/097; H10N30/20; H10N30/853
Foreign References:
| JP2019048749A | 2019-03-28 | |||
| JP2018088524A | 2018-06-07 | |||
| JP2014177355A | 2014-09-25 |
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
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