- 专利标题: Piezoelectrics, piezoelectric element, and piezoelectric actuator
- 专利标题(中): 压电元件和压电元件
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申请号: US12402828申请日: 2009-03-12
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公开(公告)号: US08075795B2公开(公告)日: 2011-12-13
- 发明人: Yasuaki Hamada , Akio Konishi , Takeshi Kijima
- 申请人: Yasuaki Hamada , Akio Konishi , Takeshi Kijima
- 申请人地址: JP
- 专利权人: Seiko Epson Corporation
- 当前专利权人: Seiko Epson Corporation
- 当前专利权人地址: JP
- 代理机构: Harness, Dickey & Pierce, P.L.C.
- 优先权: JP2008-065771 20080314
- 主分类号: C04B35/49
- IPC分类号: C04B35/49 ; B41J2/00 ; C01G33/00
摘要:
A piezoelectric body includes a perovskite type compound that is expressed by a compositional formula being Pb (Zrx Ti1-x)1-y My O3, where M is at least one of Ta and Nb, x is in a range of 0.51≦x≦0.57, and y is in a range of 0.05≦y