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    Ceramic electronic device and the production method
    25.
    发明授权
    Ceramic electronic device and the production method 有权
    陶瓷电子器件及其制作方法

    公开(公告)号：US07550402B2

    公开(公告)日：2009-06-23

    申请号：US12219594

    申请日：2008-07-24

    申请人： Kazushige Ito ,  Akira Sato

    发明人： Kazushige Ito ,  Akira Sato

    IPC分类号： C04B35/468

    CPC分类号： H01G4/10

    摘要： A ceramic electronic device including a dielectric layer, wherein the dielectric layer includes a main component expressed by a composition formula of Bam TiO2+m, wherein “m” satisfies 0.995≦m≦1.010 and a ratio of Ba and Ti satisfies 0.995≦Ba/Ti≦1.010, and a subcomponent (a sixth subcomponent) including an oxide of Al; and a content of the Al compound is 0 to 4.0 moles (note that 0 is not included) in terms of Al2O3 with respect to 100 moles of the main component; and preferably, the dielectric layer includes a segregation phase, and the segregation phase includes an oxide of Al.

    摘要翻译： 1.一种陶瓷电子器件，其特征在于，所述电介质层包括由组成式为Bam TiO 2 + m表示的主成分，其中，“m”满足0.995≤m≤1.010，Ba与Ti的比例满足0.995 < = Ba / Ti <= 1.010，以及包含Al的氧化物的副成分（第六副成分） Al化合物的含量相对于100摩尔主成分为0〜4.0摩尔（注意，不包括0）。 并且优选地，电介质层包括偏析相，并且偏析相包括Al的氧化物。

    Laminated Ceramic Capacitor
    27.
    发明申请
    Laminated Ceramic Capacitor 有权
    层压陶瓷电容器

    公开(公告)号：US20080253060A1

    公开(公告)日：2008-10-16

    申请号：US10593342

    申请日：2005-02-23

    申请人： Kazushige Ito ,  Haruya Hara ,  Toshihiro Iguchi ,  Shigeki Sato ,  Akira Sato ,  Takashi Kojima

    发明人： Kazushige Ito ,  Haruya Hara ,  Toshihiro Iguchi ,  Shigeki Sato ,  Akira Sato ,  Takashi Kojima

    IPC分类号： H01G4/12

    CPC分类号： C04B35/4682 ,  B32B18/00 ,  B32B2311/22 ,  C04B35/64 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3418 ,  C04B2235/3436 ,  C04B2235/3454 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/6582 ,  C04B2235/6584 ,  C04B2235/662 ,  C04B2235/782 ,  C04B2235/785 ,  C04B2237/346 ,  C04B2237/40 ,  C04B2237/405 ,  C04B2237/704 ,  C04B2237/706 ,  H01B3/12 ,  H01G4/1227

    摘要： To provide a multilayer ceramic capacitor which has capacitance-temperature characteristics satisfying the X8R characteristic specified by the EIA standard and has capacitance with an excellent long-term stability.The object is achieved by a multilayer ceramic capacitor comprising a laminate including alternately stacked dielectric layers of a sintered compact composed of crystal particles of a dielectric porcelain composite and internal-electrode layers. The dielectric porcelain composite comprises a primary constituent containing barium titanate; a first accessory constituent composed of at least one of MgO, CaO, BaO, and SrO; a second accessory constituent containing silicon oxide as a major constituent; a third accessory constituent composed of at least one of V2O5, MoO3, and WO3; a fourth accessory constituent composed of an oxide of R1 (wherein R1 is at least one of Sc, Er, Tm, Yb, and Lu); a fifth accessory constituent composed of CaZrO3 or a combination of CaO and ZrO2; and a sixth accessory constituent composed of an oxide of R2 (wherein R2 is at least one of Y, Dy, Ho, Tb, Gd, and Eu). In the case of 100 moles of barium titanate, there are 0.1 to 3 moles of the first accessory constituent, 2 to 10 moles of the second accessory constituent, 0.01 to 0.5 moles of the third accessory constituent, 0.5 to 7 moles of the fourth accessory constituent (wherein the number of moles of the fourth accessory constituent is that of R1 alone), more than 0 but not more than 5 moles of the fifth accessory constituent, and more than 0 but not more than 9 moles of the sixth accessory constituent. The crystal particles constituting the dielectric layers have an average particle diameter of not less than 0.2 μm and less than or equal to 0.55 μm.

    摘要翻译： 提供具有满足EIA标准规定的X8R特性的电容温度特性并具有优异的长期稳定性的电容的多层陶瓷电容器。 该目的是通过一种层叠陶瓷电容器来实现的，所述多层陶瓷电容器包括由电介质瓷复合材料和内部电极层的晶体颗粒构成的烧结体的交替层叠电介质层的叠层体。 介电瓷复合材料包含含钛酸钡的主要成分; 由MgO，CaO，BaO和SrO中的至少一种构成的第一辅助成分; 含有氧化硅作为主要成分的第二辅助成分; 由V 2 O 5，MoO 3 3和WO 3 3中的至少一种构成的第三辅助成分; 由R1的氧化物（其中R1是Sc，Er，Tm，Yb和Lu中的至少一种）组成的第四附属成分; 由CaZrO 3 3或CaO和ZrO 2 2的组合组成的第五附属成分; 和由R2的氧化物（其中R2是Y，Dy，Ho，Tb，Gd和Eu中的至少一种）构成的第六附属成分。 在100摩尔钛酸钡的情况下，第一辅助成分为0.1〜3摩尔，第二副成分为2〜10摩尔，第三副成分为0.01〜0.5摩尔，第四附属物为0.5〜7摩尔 构成（其中第四辅助成分的摩尔数为单独的R1的摩尔数），大于0但不超过5摩尔的第五附属成分，大于0但不大于9摩尔的第六附属成分。 构成电介质层的结晶粒子的平均粒径为0.2μm以上且小于等于0.55μm。

    Ceramic electronic device and production method thereof
    28.
    发明授权
    Ceramic electronic device and production method thereof 有权
    陶瓷电子器件及其制造方法

    公开(公告)号：US07323428B2

    公开(公告)日：2008-01-29

    申请号：US11247180

    申请日：2005-10-12

    申请人： Kazushige Ito ,  Akira Sato

    发明人： Kazushige Ito ,  Akira Sato

    IPC分类号： C04B35/468

    CPC分类号： H01G4/1218

    摘要： A highly reliable ceramic electronic device having an excellent temperature characteristic of a capacitance and a low IR temperature dependency, comprising a dielectric layer: wherein the dielectric layer includes a main component expressed by a composition formula of BamTiO2+m, wherein “m” satisfies 0.995≦m≦1.010 and a ratio of Ba and Ti satisfies 0.995≦Ba/Ti≦1.010, and, as subcomponents, an oxide of Al and an oxide of Si or an oxide of R (note that R is at least one kind selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu); and includes a secondary phase composed of at least a part of the oxide of Al and at least a part of the oxide of Si or the oxide of R and being different from a main phase mainly composed of the main component; and the production method are provided.

    摘要翻译： 一种具有优异的电容温度特性和低IR温度依赖性的高度可靠的陶瓷电子器件，包括电介质层：其中所述电介质层包括由组成式Ba≠TiO 2表示的主要成分 其中“m”满足0.995 <= m <= 1.010，Ba和Ti的比例满足0.995 <= Ba / Ti <= 1.010，作为次要成分的Al的氧化物 和Si的氧化物或R的氧化物（注意，R为选自Sc，Y，La，Ce，Pr，Nd，Pm，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm中的至少一种 ，Yb和Lu）; 并且包括由Al的氧化物的至少一部分和Si的氧化物的至少一部分或R的氧化物组成的第二相，并且与主要由主要成分构成的主相不同; 并提供制造方法。

    Electronic device and the production method
    29.
    发明授权
    Electronic device and the production method 有权
    电子设备及生产方法

    公开(公告)号：US07295422B2

    公开(公告)日：2007-11-13

    申请号：US11212885

    申请日：2005-08-29

    申请人： Kazushige Ito ,  Akira Sato

    发明人： Kazushige Ito ,  Akira Sato

    IPC分类号： H01G4/06

    CPC分类号： H01G4/08 ,  Y10T29/417 ,  Y10T29/43 ,  Y10T29/435 ,  Y10T29/49163 ,  Y10T29/49206

    摘要： An electronic device having an element body, wherein dielectric layers and internal electrode layers are alternately stacked, wherein a hetero phase is formed in the dielectric layers and/or the internal electrode layers; and the hetero phase includes a Mg element and a Mn element. Preferably, the hetero phase is formed at least at a part near boundaries of the dielectric layers and the internal electrode layers.

    摘要翻译： 一种具有元件体的电子器件，其中电介质层和内部电极层交替堆叠，其中在电介质层和/或内部电极层中形成异相; 异相包含Mg元素和Mn元素。 优选地，异质相至少在电介质层和内部电极层的边界附近形成。