Dielectric ceramic composition, multi-layer ceramic capacitor and manufacturing method thereof
    1.
    发明授权
    Dielectric ceramic composition, multi-layer ceramic capacitor and manufacturing method thereof 有权
    介电陶瓷组合物,多层陶瓷电容器及其制造方法

    公开(公告)号:US07821770B2

    公开(公告)日:2010-10-26

    申请号:US11869872

    申请日:2007-10-10

    IPC分类号: H01G4/06 C04B35/00

    摘要: A multi-layer ceramic capacitor has a temperature characteristic satisfying an X8R property and has a high specific resistance under a high temperature circumstance, in which the dielectric ceramic composition forming the dielectric ceramics is expressed by a formula: BaTiO3+aMgO +bMOx+cReO3/2+dSiO2, wherein MgO represents MgO conversion, MOx represents oxide conversion for 1 atom in 1 molecule of at least one metal selected from V, Cr, and Mn, ReO3/2 represents oxide conversion for 1 atom in 1 molecule of at least one rare earth metal selected from Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Y, and SiO2 represents SiO2 conversion, and wherein 0.4≦a≦3.0 mol, 0.05≦b≦0.4 mol, 6.0≦c≦16.5 mol, 3.0≦d≦5.0 mol, 2.0≦c/d≦3.3, based on 100 mol of BaTiO3.

    摘要翻译: 多层陶瓷电容器具有满足X8R性质的温度特性,并且在高温环境下具有高电阻率,其中形成电介质陶瓷的电介质陶瓷组合物由下式表示:BaTiO3 + aMgO + bMOx + cReO3 / 2 + dSiO 2,其中MgO表示MgO转化率,MOx表示1分子中选自V,Cr和Mn中的至少一种金属中的1个原子的氧化物转化率,ReO 3/2表示1分子中至少1个的1个原子的氧化物转化率 选自Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb和Y中的稀土金属,SiO 2表示SiO 2转化率,其中0.4≤n1E; a≦̸ 3.0mol,0.05& 6.0≦̸ c≦̸ 16.5mol,3.0& NlE; d≦̸ 5.0mol,2.0& nlE; c / d≦̸ 3.3,基于100mol BaTiO 3。

    DIELECTRIC CERAMIC COMPOSITION, MULTI-LAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREOF
    2.
    发明申请
    DIELECTRIC CERAMIC COMPOSITION, MULTI-LAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREOF 有权
    电介质陶瓷组合物,多层陶瓷电容器及其制造方法

    公开(公告)号:US20080089008A1

    公开(公告)日:2008-04-17

    申请号:US11869872

    申请日:2007-10-10

    IPC分类号: H01G4/06 B29C69/00 C04B35/468

    摘要: A multi-layer ceramic capacitor has a temperature characteristic satisfying an X8R property and has a high specific resistance under a high temperature circumstance, in which the dielectric ceramic composition forming the dielectric ceramics is expressed by a formula: BaTiO3+aMgO+bMOx+cReO3/2+dSiO2, wherein MgO represents MgO conversion, MOx represents oxide conversion for 1 atom in 1 molecule of at least one metal selected from V, Cr, and Mn, ReO3/2 represents oxide conversion for 1 atom in 1 molecule of at least one rare earth metal selected from Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Y, and SiO2 represents SiO2 conversion, and wherein 0.4≦a≦3.0 mol, 0.05≦b≦0.4 mol, 6.0≦c≦16.5 mol, 3.0≦d≦5.0 mol, 2.0≦c/d≦3.3, based on 100 mol of BaTiO3.

    摘要翻译: 多层陶瓷电容器具有满足X8R性质的温度特性,并且在高温环境下具有高电阻率,其中形成电介质陶瓷的电介质陶瓷组合物由下式表示:BaTiO 3 > + aMgO + bMO x + cReO 3/2 + dSiO 2其中MgO表示MgO转化率,MO 表示1分子中选自V,Cr和Mn中的至少一种金属中的1个原子的氧化物转化率,ReO 3/2/2表示1分子中至少一种稀土的1个原子的氧化物转化率 选自Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb和Y的金属,SiO 2表示SiO 2转化率,其中0.4 < = a <= 3.0摩尔,0.05 <= b <= 0.4摩尔,6.0 <= c <= 16.5摩尔,3.0 <= d <= 5.0摩尔,2.0 <= c / d <= 3.3,基于100摩尔BaTiO 3