公开(公告)号：US5757610A

公开(公告)日：1998-05-26

申请号：US813327

申请日：1997-03-07

申请人： Nobuyuki Wada ,  Hidehiko Tanaka ,  Yukio Hamaji ,  Harunobu Sano

发明人： Nobuyuki Wada ,  Hidehiko Tanaka ,  Yukio Hamaji ,  Harunobu Sano

IPC分类号： H01G4/12 ,  H01G4/06

CPC分类号： H01G4/12

摘要： The present invention provides a nonreducing dielectric ceramic including a sintered compact composed of a plurality of particles expressed by a maximum diameter of about 0.5 .mu.m and an average diameter of about 0.1 to 0.3 .mu.m, each of the plurality of particles having a uniform composition and a uniform crystal system, and individual particles having the same composition and crystal system. A compact monolithic electronic part with high-reliability can be realized by using such ceramic.

摘要翻译： 本发明提供一种非还原电介质陶瓷，其包括由最多直径约0.5μm表示的多个颗粒构成的烧结体，平均直径约为0.1至0.3μm，所述多个颗粒中的每一个具有均匀的组成 和均匀的晶体系统，以及具有相同组成和晶体体系的单个颗粒。 可以通过使用这种陶瓷来实现具有高可靠性的紧凑型单片电子部件。

公开(公告)号：US5853515A

公开(公告)日：1998-12-29

申请号：US622068

申请日：1996-03-26

申请人： Harunobu Sano ,  Yukio Hamaji

发明人： Harunobu Sano ,  Yukio Hamaji

IPC分类号： H01G4/12 ,  H01G4/30 ,  B32B31/26 ,  H01G4/008

CPC分类号： H01G4/1227 ,  H01G4/30 ,  Y10T29/435

摘要： A multilayer ceramic capacitor and a process for producing the same, which comprises dielectric ceramic layers, internal electrodes disposed between the dielectric ceramic layers, and an external electrode connected to the internal electrodes, the dielectric ceramic layers comprising barium titanate, a bismuth compound, and an anti-reducing agent, the internal electrodes comprising nickel or a nickel alloy.

摘要翻译： 一种多层陶瓷电容器及其制造方法，其包括电介质陶瓷层，设置在介电陶瓷层之间的内部电极和连接到内部电极的外部电极，所述介电陶瓷层包括钛酸钡，铋化合物和 抗还原剂，内部电极包括镍或镍合金。

公开(公告)号：US5801111A

公开(公告)日：1998-09-01

申请号：US785783

申请日：1997-01-21

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

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

IPC分类号： C04B35/00 ,  C04B35/46 ,  C04B35/468 ,  C04B35/495 ,  H01B3/12 ,  H01G4/12 ,  C04B35/462 ,  H01G4/10 ,  H01G7/00

CPC分类号： C04B35/468 ,  C04B35/495 ,  H01G4/1227 ,  H01G4/1254

摘要： Disclosed herein is a dielectric ceramics composition which comprises 100 moles of a primary component being a barium titanate (containing less than about 0.02 wt % of alkali metal oxide as an impurity) as expressed by the compositional 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 (where M.sub.2 O.sub.3 denotes Sc.sub.2 O.sub.3 or Y.sub.2 O.sub.3 or both, Re.sub.2 O.sub.3 denotes Sm.sub.2 O.sub.3 or Eu.sub.2 O.sub.3 or both, 0.0025.ltoreq..alpha.+.beta..ltoreq.0.025, 0

摘要翻译： 本文公开了一种电介质陶瓷组合物，其包含100摩尔的主要组分，其为组成式表示的钛酸钡（含有少于约0.02重量％的碱金属氧化物作为杂质）的主要组分：（1-α-β-γ ）{BaO} m.TiO 2 +αM 2 O 3 +βRe 2 O 3 +γ（Mn1-x-yNixCoy）O（其中M2O3表示Sc2O3或Y2O3或两者，Re2O3表示Sm2O3或Eu2O3或两者，0.0025 < 0 <β=0.0075,0.0025≤γ≤0.05，γ/（α+β）4，0

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

公开(公告)号：US5439857A

公开(公告)日：1995-08-08

申请号：US268819

申请日：1994-06-30

申请人： Sakiko Iwamoto ,  Harunobu Sano ,  Yukio Hamaji ,  Kunisaburo Tomono

发明人： Sakiko Iwamoto ,  Harunobu Sano ,  Yukio Hamaji ,  Kunisaburo Tomono

IPC分类号： C04B35/499 ,  H01G4/12 ,  C04B35/26

CPC分类号： C04B35/499 ,  H01G4/1254

摘要： A dielectric ceramic composition consists essentially of a main component of a four component system, Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3 --PbTiO.sub.3 --Pb(Ni.sub.1/3 Nb.sub.2/3)O.sub.3 --Pb(Zn.sub.1/2 W.sub.1/2)O.sub.3, of which a part of Pb is replaced with at least one substituent selected from the group consisting of Ba, Ca and Sr; and a secondary component selected from the group consisting of w, Zn and Mg. The secondary component is incorporated in the main component in an amount of 0.05 to 10.0 parts by weight per 100 parts by weight of the main component in terms of each oxide, WO.sub.3, ZnO or MgO. The main component consists essentially of 4.0 to 93.0 mol % of Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3, 1.5 to 35.0 mol % of PbTiO.sub.3, 1.5 to 51.0 mol % of Pb(Ni.sub.1/3 Nb.sub.2/3)O.sub.3, and 1.0 to 34.0 mol % of Pb(Zn.sub.1/2 W.sub.1/2)O.sub.3, the amount of at least one substituent for Pb being 0.1 to 10 mol %.

摘要翻译： 电介质陶瓷组合物主要由四组分Pb（Mg1 / 3Nb2 / 3）O3-PbTiO3-Pb（Ni1 / 3Nb2 / 3）O3-Pb（Zn1 / 2W1 / 2）O3的主要成分组成，其中 一部分Pb被选自Ba，Ca和Sr中的至少一种取代基取代; 和选自由w，Zn和Mg组成的组的次要组分。 相对于每种氧化物WO 3，ZnO或MgO而言，以每100重量份主成分为0.05〜10.0重量份的次要成分。 主要成分基本上由Pb（Mg1 / 3Nb2 / 3）O3的4.0〜93.0mol％，PbTiO3的1.5〜35.0mol％，Pb（Ni1 / 3Nb2 / 3）O3的1.5〜51.0mol％，以及1.0〜34.0 Pb（Zn1 / 2W1 / 2）O3的摩尔％，Pb的至少一个取代基的量为0.1〜10摩尔％。

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

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

公开(公告)号：US5731950A

公开(公告)日：1998-03-24

申请号：US769109

申请日：1996-12-18

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 ,  H01G4/005 ,  H01G4/008 ,  H01G4/228

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 .multidot.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： 公开了一种包括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

公开(公告)号：US5322828A

公开(公告)日：1994-06-21

申请号：US139531

申请日：1993-10-19

申请人： Harunobu Sano ,  Yukio Hamaji ,  Kunisaburo Tomono

发明人： Harunobu Sano ,  Yukio Hamaji ,  Kunisaburo Tomono

IPC分类号： C04B35/46 ,  C04B35/49 ,  H01B3/12 ,  H01G4/12

CPC分类号： C04B35/49

摘要： A non-reducible dielectric ceramic composition consists essentially of a main component consisting essentially of oxides of BaO, CaO, MgO, TiO.sub.2, ZrO.sub.2 and Nb.sub.2 O.sub.5 and having a composition expressd by the general formula:{(Ba.sub.1-x-y Ca.sub.x Mg.sub.y)O}.sub.m (Ti.sub.1-o-p Zr.sub.o Nb.sub.p)O.sub.2+p/2wherein 0

摘要翻译： 不可还原的介电陶瓷组合物基本上由主要由BaO，CaO，MgO，TiO 2，ZrO 2和Nb 2 O 5的氧化物组成的主要组分组成，并具有由以下通式表示的组成：{（Ba1-x-yCaxMgy）O} （Ti1-o-pZroNbp）O2 + p / 2其中0

公开(公告)号：US6143109A

公开(公告)日：2000-11-07

申请号：US83407

申请日：1998-05-22

申请人： Harunobu Sano ,  Yukio Hamaji

发明人： Harunobu Sano ,  Yukio Hamaji

IPC分类号： H01G4/12 ,  H01G4/30 ,  B32B31/26 ,  H01G4/008

CPC分类号： H01G4/1227 ,  H01G4/30 ,  Y10T29/435

摘要： A multilayer ceramic capacitor and a process for producing the same, which comprises dielectric ceramic layers, internal electrodes disposed between the dielectric ceramic layers, and an external electrode connected to the internal electrodes, the dielectric ceramic layers comprising barium titanate, a bismuth compound, and an anti-reducing agent, the internal electrodes comprising nickel or a nickel alloy.

摘要翻译： 一种多层陶瓷电容器及其制造方法，其包括电介质陶瓷层，设置在介电陶瓷层之间的内部电极和连接到内部电极的外部电极，所述介电陶瓷层包括钛酸钡，铋化合物和 抗还原剂，内部电极包括镍或镍合金。