Invention Grant
- Patent Title: Perovskite oxide material, ferroelectric compound, piezoelectric body, piezoelectric device, and liquid discharge device
- Patent Title (中): 钙钛矿型氧化物,铁电体,压电体,压电元件,液体排出装置等
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Application No.: US12832564Application Date: 2010-07-08
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Publication No.: US08598769B2Publication Date: 2013-12-03
- Inventor: Hiroyuki Kobayashi , Yukio Sakashita
- Applicant: Hiroyuki Kobayashi , Yukio Sakashita
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2009-162423 20090709
- Main IPC: H01L41/04
- IPC: H01L41/04

Abstract:
A perovskite oxide material containing: BiFeO3 as a first component; a second component containing at least one perovskite oxide which is constituted by A-site atoms having an average ionic valence of two and has a tendency to form a tetragonal structure; and a third component containing at least one perovskite oxide which has a tendency to form one of monoclinic, triclinic, and orthorhombic structures; where each perovskite oxide in the first component, the second component, and the third component contains A-site atoms, B-site atoms, and oxygen atoms substantially in a molar ratio of 1:1:3, and the molar ratio can deviate from 1:1:3 within a range.
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