Invention Grant
- Patent Title: Piezoelectric composition and piezoelectric element
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Application No.: US16496987Application Date: 2018-03-20
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Publication No.: US11195986B2Publication Date: 2021-12-07
- Inventor: Yuiko Hirose , Hiroki Katoh , Masakazu Hirose
- Applicant: TDK CORPORATION
- Applicant Address: JP Tokyo
- Assignee: TDK CORPORATION
- Current Assignee: TDK CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JPJP2017-062376 20170328
- International Application: PCT/JP2018/011038 WO 20180320
- International Announcement: WO2018/180771 WO 20181004
- Main IPC: H01L41/187
- IPC: H01L41/187 ; C04B35/495
Abstract:
A piezoelectric composition having a complex oxide including potassium and niobium, in which the complex oxide has a first phase represented by a compositional formula KNbO3, and one or two phases selected from a second phase represented by a compositional formula K4Nb6O17 and a third phase represented by a compositional formula KNb3O8.
Public/Granted literature
- US20200313072A1 PIEZOELECTRIC COMPOSITION AND PIEZOELECTRIC ELEMENT Public/Granted day:2020-10-01
Information query
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