发明公开
- 专利标题: PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC ELEMENT MADE BY USING THE SAME
- 专利标题(中): 压电陶瓷组合物和压电或其组成部分,
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申请号: EP09773120申请日: 2009-06-22
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公开(公告)号: EP2295389A4公开(公告)日: 2011-12-07
- 发明人: YAMAZAKI MASATO , MATSUOKA TAKAYUKI , YAMAGIWA KATSUYA , MITSUOKA TAKESHI
- 申请人: NGK SPARK PLUG CO
- 专利权人: NGK SPARK PLUG CO
- 当前专利权人: NGK SPARK PLUG CO
- 优先权: JP2008171618 2008-06-30
- 主分类号: C04B35/46
- IPC分类号: C04B35/46 ; H01L41/08 ; H01L41/09 ; H01L41/107 ; H01L41/187 ; H01L41/22 ; H01L41/24 ; H03H9/17
信息查询
IPC分类: