发明名称 |
PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC COMPOSITION, PIEZOELECTRIC/ELECTROSTRICTIVE SUBSTANCE, AND PIEZOELECTRIC/ELECTROSTRICTIVE MEMBRANE TYPE ELEMENT |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a piezoelectric/electrostrictive ceramic composition making it possible to manufacture a piezoelectric/electrostrictive substance and piezoelectric/electrostrictive section which are dense, are excellent in crystallinity and have the characteristics of retaining excellent piezoelectric/electrostrictive characteristics and durability even under high temperature and high humidity conditions in spite of a relatively low firing temperature. <P>SOLUTION: The piezoelectric/electrostrictive composition contains a piezoelectric/electrostrictive component containing lead titanate zirconate and 0.5 to 5 mass% glass component having ≤8 mass% content of silicic acid. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
申请公布号 |
JP2005247619(A) |
申请公布日期 |
2005.09.15 |
申请号 |
JP20040058990 |
申请日期 |
2004.03.03 |
申请人 |
NGK INSULATORS LTD |
发明人 |
KASHIWAYA TOSHIKATSU;TAKEUCHI YUKIHISA;KIKUTA TAKEYA |
分类号 |
C04B35/49;C04B35/491;C04B35/493;H01L41/09;H01L41/187 |
主分类号 |
C04B35/49 |
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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