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 &le;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
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