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    Monolithic ceramic capacitor
    3.
    发明授权
    Monolithic ceramic capacitor 失效
    单片陶瓷电容器

    公开(公告)号：US5815368A

    公开(公告)日：1998-09-29

    申请号：US940092

    申请日：1997-09-29

    申请人： Norihiko Sakamoto ,  Harunobu Sano ,  Hiroyuki Wada ,  Yukio Hamaji

    发明人： Norihiko Sakamoto ,  Harunobu Sano ,  Hiroyuki Wada ,  Yukio Hamaji

    IPC分类号： C04B35/46 ,  H01B3/12 ,  H01G4/12 ,  H01G4/06

    CPC分类号： H01G4/1227

    摘要： Disclosed is a monolithic ceramic capacitor comprising dielectric ceramic layers made from a ceramic composition, which comprises an essential component of (1-.alpha.-.beta.){BaO}.sub.m.TiO.sub.2 +.alpha.{(1-x)M.sub.2 O.sub.3 +xRe.sub.2 O.sub.3 }+.beta.(Mn.sub.1-y-z Ni.sub.y Co.sub.z)O (0.0025.ltoreq..alpha..ltoreq.0.025; 0.0025.ltoreq..beta..ltoreq.0.05; .beta./.alpha..ltoreq.4; 0

    摘要翻译： 公开了一种包含由陶瓷组合物制成的介电陶瓷层的单片陶瓷电容器，其包含（1-α-β）{BaO} m.TiO 2 +α{（1-x）M 2 O 3 + xRe 2 O 3} +β（Mn 1 -y-zNiyCoz）O（0.0025

    Dielectric ceramic composition and monolithic ceramic capacitor using same
    4.
    发明授权
    Dielectric ceramic composition and monolithic ceramic capacitor using same 失效
    介电陶瓷组合物和使用其的叠层陶瓷电容器

    公开(公告)号：US5841626A

    公开(公告)日：1998-11-24

    申请号：US888841

    申请日：1997-07-07

    申请人： Harunobu Sano ,  Hiroyuki Wada ,  Yukio Hamaji

    发明人： Harunobu Sano ,  Hiroyuki Wada ,  Yukio Hamaji

    IPC分类号： C04B35/46 ,  H01B3/12 ,  H01G4/12 ,  H01G4/30 ,  H01G4/06

    CPC分类号： H01G4/1227

    摘要： A dielectric ceramic composition and a monolithic ceramic capacitor using same are provided. The dielectric ceramic composition includes a main component of barium titanate, scandium oxide, yttrium oxide, manganese oxide and nickel oxide, having the compositional formula: (1-.alpha.-.beta.){BaO}.sub.m.TiO.sub.2 +.alpha.M.sub.2 O.sub.3 +.beta.(Mn.sub.1-x Ni.sub.x)O where M.sub.2 O.sub.3 is at least one of Sc.sub.2 O.sub.3 and Y.sub.2 O.sub.3 ; 0.0025.ltoreq..alpha..ltoreq.0.020, 0.0025.ltoreq..beta..ltoreq.0.04, .beta./.alpha..ltoreq.4, 0.ltoreq.x

    摘要翻译： 提供一种电介质陶瓷组合物和使用其的叠层陶瓷电容器。 电介质陶瓷组合物包括钛酸钡，氧化钪，氧化钇，氧化锰和氧化镍的主要组分，其组成式为：（1-α-β）{BaO} m.TiO 2 +αM 2 O 3 +β（Mn 1-x Nix） 其中M 2 O 3为Sc 2 O 3和Y 2 O 3中的至少一种; 0.0025

    Dielectric ceramic composition and monolithic ceramic capacitor using same
    5.
    发明授权
    Dielectric ceramic composition and monolithic ceramic capacitor using same 失效
    介电陶瓷组合物和使用其的叠层陶瓷电容器

    公开(公告)号：US5822176A

    公开(公告)日：1998-10-13

    申请号：US879536

    申请日：1997-06-20

    申请人： Harunobu Sano ,  Hiroyuki Wada ,  Yukio Hamaji

    发明人： Harunobu Sano ,  Hiroyuki Wada ,  Yukio Hamaji

    IPC分类号： H01G4/12 ,  H01G4/30 ,  H01G4/06 ,  H01G4/20 ,  H01G4/228

    CPC分类号： H01G4/1227

    摘要： A dielectric ceramic composition and a monolithic ceramic capacitor using the composition are provided. The dielectric ceramic composition includes: barium titanate; at least one rare earth oxide selected from terbium oxide, dysprosium oxide, holmium oxide, erbium oxide and ytterbium oxide; manganese oxide and nickel oxide; and magnesium oxide in an amount of from 0.5 to 3.0 mols in terms of MgO, and silicon oxide in an amount of from 0.2 to 5.0 mols in terms of SiO.sub.2, relative to 100 mols of the essential component having the following compositional formula: (1--.alpha.--.beta.){BaO}.sub.m TiO.sub.2 +.alpha.Re.sub.2 O.sub.3 +.beta.(Mn.sub.1-x Ni.sub.x)O where Re.sub.2 O.sub.3 is at least one selected from Tb.sub.2 O.sub.3, Dy.sub.2 O.sub.3, Ho.sub.2 O.sub.3, Er.sub.2 O.sub.3 and Yb.sub.2 O.sub.3 ; and .alpha., .beta., m and x are as follows: 0.0025.ltoreq..alpha..ltoreq.0.020 0.0025.ltoreq..beta..ltoreq.0.04 .beta./.alpha..ltoreq.4 0.ltoreq.x

    摘要翻译： 提供介电陶瓷组合物和使用该组合物的叠层陶瓷电容器。 电介质陶瓷组合物包括：钛酸钡; 选自氧化铽，氧化镝，氧化钬，氧化铒和氧化镱中的至少一种稀土氧化物; 氧化锰和氧化镍; 相对于具有以下组成式的必需成分为100摩尔，氧化镁的摩尔数为0.2〜5.0摩尔，SiO 2为0.2摩尔％ - α-β）{BaO} mTiO 2 +αRe 2 O 3 +β（Mn 1-x Nix）O其中Re 2 O 3是选自Tb 2 O 3，Dy 2 O 3，Ho 2 O 3，Er 2 O 3和Yb 2 O 3中的至少一种; 和α，β，m和x如下：0.0025

    Monolithic ceramic capacitor
    7.
    发明授权
    Monolithic ceramic capacitor 失效
    单片陶瓷电容器

    公开(公告)号：US5852542A

    公开(公告)日：1998-12-22

    申请号：US897249

    申请日：1997-07-18

    申请人： Hiroyuki Wada ,  Harunobu Sano ,  Norihiko Sakamoto

    发明人： Hiroyuki Wada ,  Harunobu Sano ,  Norihiko Sakamoto

    IPC分类号： C04B35/46 ,  C04B35/468 ,  H01B3/12 ,  H01G4/12 ,  H01G4/30 ,  H01G4/06 ,  H01G2/20 ,  H01G4/005 ,  H01G4/228

    CPC分类号： C04B35/468 ,  H01G4/1227

    摘要： A monolithic ceramic capacitor has dielectric ceramic layers of a material comprising barium titanate having alkali metal oxides impurities in an amount of not more than about 0.02% by weight, manganese oxide, cobalt oxide, and nickel oxide; from about 0.5 to 5.0 mols MgO to 100 mols of a main constituent shown by the following composition formula; (1-.alpha.-.beta.-.gamma.){BaO}.sub.m.TiO.sub.2 +.alpha.M.sub.2 O.sub.3 +.beta.Re.sub.2 O.sub.3 +.gamma.(Mn.sub.1-x-y Ni.sub.x Co.sub.y)O wherein M.sub.2 O.sub.3 is at least one of Sc.sub.2 O.sub.3 and Y.sub.2 O.sub.3 ; Re.sub.2 O.sub.3 is at least one of Sm.sub.2 O.sub.3 and Eu.sub.2 O.sub.3 and .alpha., .beta., .gamma., m, x, and y are 0.0025.ltoreq..alpha.+.beta..ltoreq.0.025 0.ltoreq..beta..ltoreq.0.0075 0.0025.ltoreq..gamma..ltoreq.0.05 .gamma./(.alpha.+.beta.).ltoreq.4 0.ltoreq.x

    摘要翻译： 一种叠层陶瓷电容器具有介电陶瓷层，该介电陶瓷层包括不大于约0.02重量％的碱金属氧化物杂质的钛酸钡，氧化锰，氧化钴和氧化镍; 约0.5-5.0摩尔MgO至100摩尔由以下组成式表示的主要成分：（1-α-β-γ）{BaO} m.TiO 2 +αM 2 O 3 +βRe 2 O 3 +γ（Mn 1-x-y NixCoy）O 是Sc2O3和Y2O3中的至少一种; Re 2 O 3是Sm 2 O 3和Eu 2 O 3中的至少一种，α，β，γ，m，x和y分别为0.0025≤α+β= 0.025 0

    Monolithic ceramic capacitor
    8.
    发明授权
    Monolithic ceramic capacitor 失效
    单片陶瓷电容器

    公开(公告)号：US5835340A

    公开(公告)日：1998-11-10

    申请号：US895846

    申请日：1997-07-18

    申请人： Hiroyuki Wada ,  Harunobu Sano ,  Norihiko Sakamoto

    发明人： Hiroyuki Wada ,  Harunobu Sano ,  Norihiko Sakamoto

    IPC分类号： C04B35/46 ,  C04B35/468 ,  H01B3/12 ,  H01G4/12 ,  H01G4/30 ,  H01G4/06 ,  H01G2/20 ,  H01G4/20 ,  H01G4/228

    CPC分类号： H01G4/1227 ,  C04B35/468

    摘要： A monolithic ceramic capacitor having a plurality of dielectric ceramic layers, internal electrodes, and external electrodes electrically connected to the internal electrode, wherein the dielectric ceramic layers comprise (a) barium titanate having an alkali metal oxide impurity content of not more than about 0.02% by weight, (b) scandium oxide and/or yttrium oxide, (c) gadolinium oxide, terbium oxide and/or dysprosium oxide, (d) manganese oxide, (e) cobalt oxide, and (f) nickel oxide, and is a material containing (1) 100 mols represented by the compositional formula: (1-.alpha.-.beta.){BaO}.sub.m .cndot.TiO.sub.2 +.alpha.{(1-x)M.sub.2 O.sub.3 +xRe.sub.2 O.sub.3 }+.beta.(Mn.sub.1-y-z Ni.sub.y Co.sub.z)O wherein M.sub.2 O.sub.3 represents the above-mentioned (b); Re.sub.2 O.sub.3 represents the above-mentioned (c); 0.0025.ltoreq..beta..ltoreq.0.05; .beta./.alpha..ltoreq.4; 0

    摘要翻译： 一种具有多个介电陶瓷层，内部电极和与内部电极电连接的外部电极的叠层陶瓷电容器，其中介电陶瓷层包括（a）碱金属氧化物杂质含量不大于约0.02％的钛酸钡， （b）氧化钪和/或氧化钇，（c）氧化钆，氧化铽和/或氧化镝，（d）氧化锰，（e）氧化钴和（f）氧化镍， 含有（1）以组成式表示的100摩尔的材料：（1-α-β）{BaO} m.TiO 2 +α{（1-x）M 2 O 3 + xRe 2 O 3} +β（Mn 1-y-z Ni y Co z） 上述（b）; Re2O3代表上述（c）; 0.0025

    Dielectric ceramic material and monolithic ceramic electronic element
    9.
    发明授权
    Dielectric ceramic material and monolithic ceramic electronic element 有权
    介电陶瓷材料和单片陶瓷电子元件

    公开(公告)号：US06489257B1

    公开(公告)日：2002-12-03

    申请号：US09642194

    申请日：2000-08-18

    申请人： Takashi Hiramatsu ,  Jun Ikeda ,  Hiroyuki Wada ,  Yukio Hamaji

    发明人： Takashi Hiramatsu ,  Jun Ikeda ,  Hiroyuki Wada ,  Yukio Hamaji

    IPC分类号： C04B35468

    CPC分类号： H01G4/1227

    摘要： A dielectric ceramic material containing BaTiO3 as a primary component and a rare earth element as an additional component, wherein the material satisfies the relation 0.7≦M/N so as to make the density of the rare earth metal uniform between crystal grains, and the material satisfies the relation 0.8≦L/M so as to make the density of the rare earth metal uniform in a crystal grain. In these relations, M represents the number of crystal grains satisfying the relation 0.5≦Di/D; N represents the number of crystal grains constituting the ceramic material; and L represents the number of crystal grains satisfying the relations 0.5≦Di/D and Si/Di≦0.3, wherein Di represents the mean density of the rare earth element in an arbitrary crystal grain i, D represents the mean density of the rare earth element in the entirety of the ceramic material, and Si represents the standard deviation of the density of the rare earth element in the crystal grain i.

    摘要翻译： 以BaTiO 3为主成分的电介质陶瓷材料和作为附加成分的稀土元素，其中该材料满足关系0.7 <= M / N，以使稀土金属的密度在晶粒之间均匀，而 材料满足0.8 <= L / M的关系，以使稀土金属的密度在晶粒中均匀。 在这些关系中，M表示满足0.5 <= Di / D的关系的晶粒的数量; N表示构成陶瓷材料的晶粒数; L表示满足0.5 <= Di / D和Si / Di <= 0.3的关系的晶粒数，其中Di表示任意晶粒i中稀土元素的平均密度，D表示 稀土元素在整个陶瓷材料中，Si表示稀土元素在晶粒i中的密度的标准偏差。

    Monolithic ceramic capacitor
    10.
    发明授权
    Monolithic ceramic capacitor 失效
    单片陶瓷电容器

    公开(公告)号：US6002577A

    公开(公告)日：1999-12-14

    申请号：US4696

    申请日：1998-01-08

    申请人： Hiroyuki Wada ,  Harunobu Sano

    发明人： Hiroyuki Wada ,  Harunobu Sano

    IPC分类号： H01G4/12 ,  H01G4/30 ,  H01G4/20 ,  H01G4/06

    CPC分类号： H01G4/1227 ,  H01G4/232

    摘要： A monolithic ceramic capacitor has laminated plural dielectric ceramic layers, internal electrodes disposed between dielectric ceramic layers, and external electrodes formed at edge surfaces of the dielectric ceramic layers such that they are connected to alternate internal electrodes, wherein the dielectric ceramic layers are composed of a material comprising a principal component shown by the formula: (1-.alpha.-.beta.-.gamma.){BaO}.sub.m.TiO.sub.2 +.alpha.M.sub.2 O.sub.3 +.beta.Re.sub.2 O.sub.3 +.gamma.(Mn.sub.1-x-y Ni.sub.x Co.sub.y)O (wherein M.sub.2 O.sub.3 is at least one kind of Sc.sub.2 O.sub.3 and Y.sub.2 O.sub.3 ; Re.sub.2 O.sub.3 is at least one kind of Sm.sub.2 O.sub.3 and Eu.sub.2 O.sub.3 ; 0.0025.ltoreq..alpha.+.beta..ltoreq.0.025, 0

    摘要翻译： 叠层陶瓷电容器层叠多个电介质陶瓷层，设置在电介质陶瓷层之间的内部电极和形成在电介质陶瓷层的边缘表面处的外部电极，使得它们连接到交替的内部电极，其中介电陶瓷层由 包含下列主要成分的材料：（1-α-β-γ）{BaO} m.TiO2 +αM2O3+βRe2O3+γ（Mn1-x-yNixCoy）O（其中M2O3为Sc2O3和Y2O3中的至少一种 ; Re 2 O 3是Sm 2 O 3和Eu 2 O 3中的至少一种;0.0025≤β+β=0.025,0≤β=0.0075,0.0025≤γ≤0.05，γ/（α+β） / = 4,0