发明申请
- 专利标题： PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC DEVICE
- 专利标题（中）： 压电陶瓷组合物和压电器件
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申请号： US12596117申请日： 2008-04-17
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公开(公告)号： US20100133959A1公开(公告)日： 2010-06-03
- 发明人: Masato Yamazaki , Kohei Ito , Katsuya Yamagiwa , Takeshi Mitsuoka
- 申请人： Masato Yamazaki , Kohei Ito , Katsuya Yamagiwa , Takeshi Mitsuoka
- 申请人地址： JP Nagoya-shi, Aichi
- 专利权人： NGK SPARK PLUG CO., LTD.
- 当前专利权人： NGK SPARK PLUG CO., LTD.
- 当前专利权人地址： JP Nagoya-shi, Aichi
- 优先权： JP2007-110049 20070419
- 国际申请： PCT/JP2008/057536 WO 20080417
- 主分类号： H01L41/187
- IPC分类号： H01L41/187 ; H01L41/08
摘要：
There are provided a piezoelectric ceramic composition that includes a bismuth layer-structured compound, which contains Na, Bi, Co and Ln (lanthanoide), as a main component and a piezoelectric ceramic composition that includes a compound, which contains Na, Bi, Ti, Co and Ln (lanthanoide) and has a Na0.5Bi4.5Ti4O15 type crystal structure, as a main component, wherein the piezoelectric ceramic composition has an atomic ratio of 0
公开/授权文献
- US08502435B2 Piezoelectric ceramic composition and piezoelectric device 公开/授权日：2013-08-06
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