发明授权
- 专利标题: Piezoelectric/electrostrictive porcelain composition and method of manufacturing the same
- 专利标题(中): 压电/电致伸缩瓷组合物及其制造方法
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申请号: US11370213申请日: 2006-03-07
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公开(公告)号: US07576477B2公开(公告)日: 2009-08-18
- 发明人: Takaaki Koizumi , Hirofumi Yamaguchi , Ritsu Tanaka
- 申请人: Takaaki Koizumi , Hirofumi Yamaguchi , Ritsu Tanaka
- 申请人地址: JP Nagoya-Shi
- 专利权人: NGK Insulators, Ltd.
- 当前专利权人: NGK Insulators, Ltd.
- 当前专利权人地址: JP Nagoya-Shi
- 代理机构: Burr & Brown
- 主分类号: H01L41/187
- IPC分类号: H01L41/187 ; H01L41/18 ; C04B35/495
摘要:
A piezoelectric/electrostrictive porcelain composition is provided, including at least Nb, Ta, and one or more alkali metal elements, wherein a molar ratio of the Nb, Ta, and alkali metal element is represented by a non-stoichiometric composition ratio.
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