发明名称 DIELECTRIC CERAMIC COMPOSITION AND ELECTRONIC COMPONENT
摘要 <P>PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition which attain excellent specific dielectric constant in a wide temperature range, and an electronic component. <P>SOLUTION: The dielectric ceramic composition has a main component containing BaTiO<SB>3</SB>, a first sub-component containing BaZrO<SB>3</SB>, a second sub-component containing Mg oxide, a third sub-component containing R oxide (R is one or more kinds selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu), a forth sub-component containing oxide of one or more kinds of elements selected from Mn, Cr, Co and Fe and a fifth sub-component containing oxide of one or more kinds of elements selected from Si, Al, Ge, B and Li, wherein at least a part of dielectric particles has a line defect, and the average maximum value of the length of the line defect existing in one particle based on total dielectric particles is in a range of 0.1-0.7 &mu;m and the average value of the total length of the line defect is in a range of 0.5-3 &mu;m. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2008230928(A) 申请公布日期 2008.10.02
申请号 JP20070075493 申请日期 2007.03.22
申请人 TDK CORP 发明人 MIYAUCHI MARI;HOSONO MASAKAZU;TAKANO HIROSUKE;MORIGASAKI NOBUHITO;SAKURAI DAN;AMA SANSHIRO;KOJIMA TAKASHI
分类号 C04B35/46;H01B3/12;H01G4/12 主分类号 C04B35/46
代理机构 代理人
主权项
地址