发明名称 |
Method of manufacturing a piezoelectric ceramic composition |
摘要 |
There are provided steps of polarizing a ceramic composition including a perovskite compound containing Pb, Zr, Ti and Mn as main components and a heat treatment step for keeping the polarized ceramic composition within a temperature range lower than Tc (Tc denoting the Curie temperature of the ceramic composition) for 1 to 100 minutes.
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申请公布号 |
US7608215(B2) |
申请公布日期 |
2009.10.27 |
申请号 |
US20040949742 |
申请日期 |
2004.09.24 |
申请人 |
TDK CORPORATION |
发明人 |
AZUMA TOMOHISA;HIROSE MASAKAZU |
分类号 |
H05B6/00;C04B35/493;H01L41/187;H01L41/24;H01L41/257;H01L41/43;H03H3/04;H03H9/17 |
主分类号 |
H05B6/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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