Invention Grant
- Patent Title: Piezoelectric composition and piezoelectric device
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Application No.: US16715010Application Date: 2019-12-16
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Publication No.: US11296273B2Publication Date: 2022-04-05
- Inventor: Kazuki Fukasawa
- Applicant: TDK Corporation
- Applicant Address: JP Tokyo
- Assignee: TDK Corporation
- Current Assignee: TDK Corporation
- Current Assignee Address: JP Tokyo
- Agency: Faegre Drinker Biddle & Reath LLP
- Priority: JPJP2018-239913 20181221
- Main IPC: H01L41/187
- IPC: H01L41/187 ; C04B35/26 ; C04B35/626 ; C04B35/634 ; C04B35/64 ; C04B35/638
Abstract:
A piezoelectric composition comprises silver and an oxide containing bismuth, barium, iron, and titanium. The oxide has a perovskite structure. The mass of the oxide is represented by MABO3 and the mass of the silver is represented by MAG. 100×MAG/MABO3 is 0.01 or more and 10.00 or less.
Information query
IPC分类:
