Dielectric ceramic composition and electronic component
    3.
    发明授权
    Dielectric ceramic composition and electronic component 有权
    介电陶瓷组合物和电子元件

    公开(公告)号:US08450230B2

    公开(公告)日:2013-05-28

    申请号:US12978950

    申请日:2010-12-27

    IPC分类号: C04B35/468

    摘要: A dielectric ceramic composition comprises a main component composed of at least one selected from BaTiO3, (Ba, Ca)TiO3, (Ba, Sr)TiO3 and (Ba, Ca, Sr)TiO3, an oxide of rare earth element and a composite compound including Ba. 9 to 13 mol of the composite compound in terms of composite compound is included in the dielectric composition. The dielectric ceramic composition includes surface diffusion particles having surface diffusion structure composed of non diffusion phase and diffusion phase including rare earth element. In the surface diffusion particle, when an area of the non diffusion phase is defined as S1, an area of the diffusion phase is defined as S2, S1 and S2 satisfy a relation of S1:S2=20:80 to 30:70 (Note that, except S1=30 and S2=70), when an average concentration of the rare earth element in the surface diffusion particle is defined as C, S2 and C satisfy a relation of 4.8≦S2×C≦5.8. By the present invention, dielectric ceramic composition which improves reliability with obtaining good specific permittivity and temperature characteristic and electronic component to which the dielectric ceramic composition is applied can be obtained.

    摘要翻译: 电介质陶瓷组合物包括由选自BaTiO 3,(Ba,Ca)TiO 3,(Ba,Sr)TiO 3和(Ba,Ca,Sr)TiO 3,稀土元素的氧化物和复合化合物 包括巴。 复合化合物中的9〜13摩尔复合化合物包含在电介质组合物中。 电介质陶瓷组合物包括具有由非扩散相和包含稀土元素的扩散相组成的表面扩散结构的表面扩散粒子。 在表面扩散粒子中,当非扩散相的面积被定义为S1时,扩散相的面积被定义为S2,S1和S2满足S1的关系:S2 = 20:80〜30:70(注 除了S1 = 30和S2 = 70之外),当表面扩散粒子中的稀土元素的平均浓度定义为C时,S2和C满足4.8 @ S2×C 5.8的关系。 通过本发明,可以获得通过获得良好的比介电常数和温度特性提高可靠性的电介质陶瓷组合物以及应用电介质陶瓷组合物的电子部件。

    Dielectric ceramic composition and an electric device
    6.
    发明申请
    Dielectric ceramic composition and an electric device 有权
    介电陶瓷组合物和电气装置

    公开(公告)号:US20090088315A1

    公开(公告)日:2009-04-02

    申请号:US12232875

    申请日:2008-09-25

    IPC分类号: C04B35/468

    摘要: The present invention relates to a dielectric ceramic composition comprising BaTiO3, BaZrO3, and the oxide of R wherein, when A is the content of BaZrO3, and C is the content of the oxide R, with respect to 100 moles of BaTiO3, then A is 40≦A≦65 moles and C is 4≦C≦15 moles; plus said dielectric composition satisfies the equation (1) and (2). The present invention can provide a dielectric ceramic composition good in IR lifetime, and capable to be suitably used for medium-high voltage which has a high rated voltage (for example, 100V or more). 0.0038A−0.147≦B≦0.004A+0.04  Equation (1) (note that, B is a ratio of the X-ray diffraction maximum intensity among peaks of said BaZrO3 with respect to the X-ray diffraction maximum intensity among peaks of said BaTiO3). 0.0041C−0.0115≦D≦0.0046C+0.084  Equation (2) (note that, D is a ratio of the X-ray diffraction maximum intensity among peaks of the oxide of said R with respect to the X-ray diffraction maximum intensity among peaks of said BaTiO3).

    摘要翻译: 本发明涉及包含BaTiO 3,BaZrO 3和R的氧化物的电介质陶瓷组合物,其中当A为BaZrO 3的含量且C为氧化物R的含量时,相对于100摩尔BaTiO 3,A为 40 <= A <= 65摩尔,C为4 <= C <= 15摩尔; 加上所述电介质组合物满足等式(1)和(2)。 本发明可以提供具有良好的IR寿命的电介质陶瓷组合物,并且能够适用于具有高额定电压(例如100V以上)的中高电压。 <?in-line-formula description =“In-line formula”end =“lead”?> 0.0038A-0.147 <= B <= 0.004A + 0.04等式(1)<?in-line-formula description =“In (注意,B是所述BaZrO 3的峰的X射线衍射最大强度与所述BaTiO 3的峰的X射线衍射最大强度的比)。 <?in-line-formula description =“In-line Formulas”end =“lead”?> 0.0041C-0.0115 <= D <= 0.0046C + 0.084等式(2)<?in-line-formula description =“In (公式“end =”tail“?>(注意,D是所述R的氧化物的峰的X射线衍射最大强度与所述BaTiO 3的峰的X射线衍射最大强度之比 )。

    CONDUCTIVE PASTE AND A METHOD FOR PRODUCING ELECTRONIC COMPONENT
    7.
    发明申请
    CONDUCTIVE PASTE AND A METHOD FOR PRODUCING ELECTRONIC COMPONENT 审中-公开
    导电胶和一种生产电子元件的方法

    公开(公告)号:US20110180198A1

    公开(公告)日:2011-07-28

    申请号:US13006200

    申请日:2011-01-13

    IPC分类号: C04B35/64 H01B1/00

    摘要: A purpose of the present invention is to provide a conductive paste which is capable to prevent the structural defect and to provide a method for producing electronic components including an internal electrode layer formed by the conductive paste.A conductive paste comprises metallic particles, solvent, rein, a first inhibitor, a second inhibitor and a third inhibitor, wherein sintering start temperatures of the first inhibitor, the second inhibitor and the third inhibitor are higher than a sintering start temperature of the metallic particles, when an average particle size of the first inhibitor is defined as “a”, an average particle size of the second inhibitor is defined as “b”, an average particle size of the third inhibitor is defined as “c”, “a”, “b” and “c” fulfill a predetermined relation.

    摘要翻译: 本发明的目的是提供一种能够防止结构缺陷的导电浆料,并且提供一种用于制造包括由导电浆料形成的内部电极层的电子部件的方法。 导电糊料包含金属颗粒,溶剂,第一抑制剂,第二抑制剂和第三抑制剂,其中第一抑制剂,第二抑制剂和第三抑制剂的烧结开始温度高于金属颗粒的烧结开始温度 当将第一抑制剂的平均粒径定义为“a”时,将第二抑制剂的平均粒径定义为“b”,将第三抑制剂的平均粒径定义为“c”,“a” ,“b”和“c”满足预定的关系。

    DIELECTRIC CERAMIC COMPOSITION AND ELECTRONIC COMPONENT
    8.
    发明申请
    DIELECTRIC CERAMIC COMPOSITION AND ELECTRONIC COMPONENT 有权
    电介质陶瓷组合物和电子元件

    公开(公告)号:US20110164346A1

    公开(公告)日:2011-07-07

    申请号:US12978950

    申请日:2010-12-27

    IPC分类号: H01G4/06 C04B35/468

    摘要: A dielectric ceramic composition comprises a main component composed of at least one selected from BaTiO3, (Ba, Ca)TiO3, (Ba, Sr)TiO3 and (Ba, Ca, Sr)TiO3, an oxide of rare earth element and a composite compound including Ba. 9 to 13 mol of the composite compound in terms of composite compound is included in the dielectric composition. The dielectric ceramic composition includes surface diffusion particles having surface diffusion structure composed of non diffusion phase and diffusion phase including rare earth element. In the surface diffusion particle, when an area of the non diffusion phase is defined as S1, an area of the diffusion phase is defined as S2, S1 and S2 satisfy a relation of S1:S2=20:80 to 30:70 (Note that, except S1=30 and S2=70) , when an average concentration of the rare earth element in the surface diffusion particle is defined as C, S2 and C satisfy a relation of 4.8≦S2×C≦5.8. By the present invention, dielectric ceramic composition which improves reliability with obtaining good specific permittivity and temperature characteristic and electronic component to which the dielectric ceramic composition is applied can be obtained.

    摘要翻译: 电介质陶瓷组合物包括由选自BaTiO 3,(Ba,Ca)TiO 3,(Ba,Sr)TiO 3和(Ba,Ca,Sr)TiO 3,稀土元素的氧化物和复合化合物 包括巴。 复合化合物中的9〜13摩尔复合化合物包含在电介质组合物中。 电介质陶瓷组合物包括具有由非扩散相和包含稀土元素的扩散相组成的表面扩散结构的表面扩散粒子。 在表面扩散粒子中,当非扩散相的面积被定义为S1时,扩散相的面积被定义为S2,S1和S2满足S1的关系:S2 = 20:80〜30:70(注 除了S1 = 30和S2 = 70之外),当表面扩散粒子中的稀土元素的平均浓度定义为C时,S2和C满足4.8&nlE; S2×C&nlE; 5.8的关系。 通过本发明,可以获得通过获得良好的比介电常数和温度特性提高可靠性的电介质陶瓷组合物以及应用电介质陶瓷组合物的电子部件。

    Dielectric ceramic composition and electric device
    9.
    发明申请
    Dielectric ceramic composition and electric device 有权
    介电陶瓷组合物和电气装置

    公开(公告)号:US20090149312A1

    公开(公告)日:2009-06-11

    申请号:US12314144

    申请日:2008-12-04

    IPC分类号: C04B35/468

    摘要: A dielectric ceramic composition of the present invention comprises; BamTiO2+m (note that, m is 0.99≦m≦1.01), and BanZrO2+n (note that, n is 0.99≦n≦1.01); wherein said dielectric ceramic composition consists of plurality of dielectric particles and a grain boundary phase existing between said dielectric particles adjacent to each other, when said dielectric particle having BamTiO2+m as a main component is set to a first dielectric particle, said dielectric particle having BanZrO2+n as a main component is set to a second dielectric particle, an average crystal diameter of said first dielectric particle is set to D1 (μm), and an average crystal diameter of said second dielectric particle is set to D2 (μm), then a ratio (D2/D1) of said D2 with respect to said D1 is 0.04 to 0.33, said D2 is 0.02 to 0.25 μm, and in said dielectric ceramic composition a ratio of the total number of said second dielectric particle with respect to the total number of said first dielectric particle is 0.10 to 2. The present invention is to provide the dielectric ceramic composition suitable for the medium-high voltage application used at a high rated voltage (for example, 100V or more).

    摘要翻译: 本发明的电介质陶瓷组合物包括: BamTiO2 + m(注意,m为0.99 <= m <= 1.01)和BanZrO2 + n(注意,n为0.99 <= n <= 1.01)。 其中所述电介质陶瓷组合物由多个电介质颗粒和存在于所述相互邻近的所述电介质颗粒之间的晶界相组成,当所述具有BamTiO 2 + m作为主要成分的电介质颗粒被设置为第一电介质颗粒时,所述电介质颗粒具有 将BanZrO2 + n作为主要成分设置在第二电介质粒子上,将所述第一电介质粒子的平均晶体直径设定为D1(母体),将所述第二电介质粒子的平均晶体直径设定为D2(μm) 那么所述D2相对于所述D1的比率(D2 / D1)为0.04至0.33,所述D2为0.02至0.25微米,并且在所述介电陶瓷组合物中,所述第二电介质颗粒的总数相对于 所述第一电介质颗粒的总数为0.10〜2。本发明提供适用于在高额定电压下使用的中高压应用的电介质陶瓷组合物( 例如100V以上)。