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发明名称
压电陶瓷组成物
摘要
本发明提供电特性Qmax、耐热性、进而共振频率之温度特性均极优异的压电陶瓷组成物。一种压电陶瓷组成物,其特征为含有以具钙钛矿型结构的钛酸锆酸铅为主成份之相、与含Al相;此压电陶瓷组成物以含有主成份为Mn及Nb较为适合,进而主成份为以Pbα〔(Mn1/3Nb2/3)xTiyZrz〕O3(式中,0.97≦α≦1.01、0.04≦x≦0.16、0.48≦y≦0.58、0.32≦z≦0.41)之组成式表示更适合。
申请公布号
TW200532956
申请公布日期
2005.10.01
申请号
TW094106459
申请日期
2005.03.03
申请人
TDK股份有限公司
发明人
广濑正和;东智久;本典正
分类号
H01L41/187
主分类号
H01L41/187
代理机构
代理人
林志刚
主权项
地址
日本
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