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1. 发明授权

US5016137A Multi-layer ceramic capacitor 失效
标题翻译：多层陶瓷电容
公开(公告)号：US5016137A
公开(公告)日：1991-05-14
申请号：US443167
申请日：1989-11-30
申请人： Yoichiro Yokotani , Hiroshi Kagata , Junichi Kato , Kouichi Kugimiya
发明人： Yoichiro Yokotani , Hiroshi Kagata , Junichi Kato , Kouichi Kugimiya
IPC分类号： H01G4/008 , H01G4/012 , H01G4/12 , H01G4/30
CPC分类号： H01G4/008 , H01G4/012 , H01G4/1254 , H01G4/1263 , H01G4/30
摘要： A multi-layer ceramic capacitor having a large capacitance comprising:(a) internal electrode layers whose thickness is y .mu.m, and(b) ceramic dielectric layers, whose thickness is x .mu.m, extending between the internal electrode layers, where x, y and x/y are defined by the formula 1.0.ltoreq.x.ltoreq.7.0, 0.07.ltoreq.y.ltoreq.0.7 and 10.0.ltoreq.x/y.ltoreq.100.0 respectively.
摘要翻译：一种具有大电容的多层陶瓷电容器，包括：（a）厚度为μm的内部电极层，和（b）在内部电极层之间延伸的厚度为μm的陶瓷电介质层，其中x， y和x / y分别由公式1.0分别由公式1.0定义，其中，分别为公式1.0 = 0.07,0.07

2. 发明授权

US4885661A Multi-layer ceramic capacitor 失效
标题翻译：多层陶瓷电容
公开(公告)号：US4885661A
公开(公告)日：1989-12-05
申请号：US262501
申请日：1988-10-18
申请人： Yoichiro Yokotani , Hiroshi Kagata , Hiroshi Niwa , Junichi Kato , Toshihiro Mihara
发明人： Yoichiro Yokotani , Hiroshi Kagata , Hiroshi Niwa , Junichi Kato , Toshihiro Mihara
IPC分类号： H01G4/12 , H01B3/12 , H01G4/30
CPC分类号： H01G4/1209
摘要： A mutli-layer ceramic capacitor principally made up of (a) internal electrode layers containing at least copper and (b) ceramic dielectric layers extending between the internal electrode layers. The materials which form the ceramic include copper oxide and an oxide component A and B, which component A is selected from group I of lead, calcium, strontium, and barium, and component B is selected from group II of magnesia, nickel, titanium, zirconium, zinc, niobium, tantalum, and tungsten. The component A includes at least lead and component B includes at least two of the substances in group II, and wherein a ratio between values a and b are chosen so that 0.985
摘要翻译：主要由（a）至少含有铜的内部电极层和（b）在内部电极层之间延伸的陶瓷电介质层构成的多层陶瓷电容器。形成陶瓷的材料包括氧化铜和氧化物组分A和B，组分A选自铅，钙，锶和钡的组I，组分B选自氧化镁，镍，钛，锆，锌，铌，钽和钨。组分A至少包含铅，组分B包括组II中的至少两种物质，并且其中选择值a和b之间的比率使得0.985

3. 发明授权

US5036424A Multilayer ceramic capacitive element 失效
标题翻译：多层陶瓷电容元件
公开(公告)号：US5036424A
公开(公告)日：1991-07-30
申请号：US525024
申请日：1990-05-18
申请人： Yoichiro Yokotani , Hiroshi Kagata , Junichi Kato , Seiichi Nakatani , Yukio Terada
发明人： Yoichiro Yokotani , Hiroshi Kagata , Junichi Kato , Seiichi Nakatani , Yukio Terada
IPC分类号： B32B18/00 , H01G4/12
CPC分类号： B32B18/00 , C04B35/465 , C04B35/4688 , C04B35/472 , C04B35/497 , C04B35/6262 , H01G4/1209 , H01G4/1227 , H01G4/1254 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3258 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/5445 , C04B2235/652 , C04B2235/6562 , C04B2235/6565 , C04B2235/6567 , C04B2235/6584 , C04B2235/79 , C04B2237/345 , C04B2237/346 , C04B2237/68 , C04B2237/704 , Y10T29/435
摘要： A multilayer ceramic capacitor comprises plural ceramic dielectric layers laminated one on another, and at least two internal electrodes separated by the ceramic dielectric layer and alternately terminated at the opposite sides of the laminated ceramic dielectric layers. The ceramic dielectric layers is composed of a complex oxide including a component (A), a component (B) and copper, wherein the component (A), is at least one element selected from the group consisting of Pb, Ca, Sr and Ba, but contains Pb at the least, wherein the component (B) is at least two elements selected from the group consisting of Mg, Ni, Zn, Ti, Ta, Nb and W, the molar ratio of the component (A) to component (B) being not less than 0.985, but not more than 1.110, and wherein the content of said copper in the complex oxide is more than 0.650 wt %, but not more than 2.200 wt % in terms of Cu.sub.2 O. The internal electrodes are composed of copper or an alloy mainly comprising copper.
摘要翻译：多层陶瓷电容器包括彼此层叠的多个陶瓷电介质层和由陶瓷电介质层隔开的至少两个内部电极，并且交替地端接在层叠陶瓷电介质层的相对侧。陶瓷电介质层由包含组分（A），组分（B）和铜的复合氧化物组成，其中组分（A）为选自Pb，Ca，Sr和Ba中的至少一种元素，但含有Pb，其中组分（B）为选自Mg，Ni，Zn，Ti，Ta，Nb和W中的至少两种元素，组分（A）与组分（B）不小于0.985，但不大于1.110，并且其中复合氧化物中所述铜的含量以Cu 2 O计大于0.650重量％，但不大于2.200重量％。内部电极由铜或主要包含铜的合金组成。

4. 发明授权

US4752858A Multi-layer ceramic capacitor 失效
标题翻译：多层陶瓷电容
公开(公告)号：US4752858A
公开(公告)日：1988-06-21
申请号：US24778
申请日：1987-03-11
申请人： Yoichiro Yokotani , Junichi Kato , Toshihiro Mihara
发明人： Yoichiro Yokotani , Junichi Kato , Toshihiro Mihara
IPC分类号： H01G4/30 , C04B35/499 , H01G4/12 , H01B3/12 , H01G4/10
CPC分类号： C04B35/499 , H01G4/1209
摘要： Material forming dielectric ceramics includes an oxide containing a component A and a component B. The component A is selected from a group I of lead, calcium, strontium, and barium. The component B is selected from a group II of magnesium, nickel, titanium, zinc, niobium, and tungsten. The component A includes lead and at least one of the other substances in the group I. The component B includes at least two of the substances in the group II. A ratio between values a and b is chosen so that a/b>1.00, where the value a denotes a total mol value of the substances in the component A and the value b denotes a total mol value of the substances in the component B. Electrode layers are made of copper or an alloy principally containing copper. Since the firing temperature of the dielectric ceramics is low, excellent characteristics of a capacitor are enabled in spite of the fact that electrodes contain copper.
摘要翻译：材料形成介电陶瓷包括含有组分A和组分B的氧化物。组分A选自铅，钙，锶和钡的组I。组分B选自镁，镍，钛，锌，铌和钨的组II。组分A包括铅和组I中的至少一种其它物质。组分B包括组II中的至少两种物质。选择值a和b之间的比率使得a / b> 1.00，其中a表示组分A中物质的总摩尔值，值b表示组分B中物质的总摩尔值。电极层由铜或主要含有铜的合金制成。由于电介质陶瓷的烧制温度低，所以尽管电极含有铜，但电容器的特性也是优异的。

5. 发明授权

US4711862A Dielectric ceramic compositions 失效
标题翻译：介电陶瓷组合物
公开(公告)号：US4711862A
公开(公告)日：1987-12-08
申请号：US813521
申请日：1985-12-26
申请人： Yoichiro Yokotani , Junichi Kato , Masamitsu Nishida , Syunichiro Kawashima , Hiromu Ouchi
发明人： Yoichiro Yokotani , Junichi Kato , Masamitsu Nishida , Syunichiro Kawashima , Hiromu Ouchi
IPC分类号： C04B35/499 , C04B35/46
CPC分类号： C04B35/499
摘要： A dielectric ceramic composition consisting essentially of:PbTi.sub.x (Mg.sub.1/3 Nb.sub.2/3).sub.y (Ni.sub.1/2 W.sub.1/2).sub.z O.sub.3wherein x+y+z=1, which allows low-temperature sintering and has a high dielectric constant, a low dielectric loss and a high specific resistivity.
摘要翻译：基本上由PbTix（Mg1 / 3Nb2 / 3）y（Ni1 / 2W1 / 2）zO3组成的介电陶瓷组合物，其中x + y + z = 1，其允许低温烧结并具有高介电常数，低电介质损耗和高电阻率。

6. 发明授权

US06762142B2 Dielectric ceramic and dielectric device 失效
标题翻译：介质陶瓷和电介质器件
公开(公告)号：US06762142B2
公开(公告)日：2004-07-13
申请号：US10251585
申请日：2002-09-19
申请人： Kojiro Okuyama , Junichi Kato , Hiroshi Kagata , Kenji Iijima
发明人： Kojiro Okuyama , Junichi Kato , Hiroshi Kagata , Kenji Iijima
IPC分类号： C04B35465
CPC分类号： C04B35/49 , C04B35/6262 , C04B2235/3206 , C04B2235/3249 , C04B2235/3251 , C04B2235/3262 , C04B2235/3275 , C04B2235/3284 , C04B2235/604 , C04B2235/786 , C04B2235/94 , C04B2235/96 , H01P7/10
摘要： A dielectric ceramic is made of a sintered body of a complex oxide including at least one element selected from the group consisting of Zr, Ti and Mn, at least one element selected from the group consisting of Mg, Zn and Co, and at least one element selected from the group consisting of Nb and Ta, wherein, the complex oxide is represented by a formula xZrO2-yTiO2-zA(1+w)/3B(2−w)/3O2 where ‘A’ in the formula denotes at least one element selected from the group (A) consisting of Mg, Zn and Co, ‘B’ denotes at one element selected from the group (B) consisting of Nb and Ta; x, y, z and w denote values in the respective ranges of 0.20≦x≦0.55, 0.40≦y≦0.55, 0.05≦z≦0.25, and 0≦w≦0.30, and x, y and z have a relationship represented as x+y+z=1; MnO is present in a range of 0.1 mol % to 1.0 mol % to the complex oxide; and an average grain size of the dielectric ceramic is from 10 &mgr;m to 70 &mgr;m, thereby providing a dielectric ceramic that has a high dielectric constant (&egr;r) and an unloaded (Qu) value even in a comparatively low frequency region as a microwave region i.e., in a range of 0.4 GHz to 2.4 GHz and that realizes a desired temperature coefficient (&tgr;f) of a resonant frequency with a high mechanical strength, and thus a dielectric device using the dielectric ceramic is provided.
摘要翻译：电介质陶瓷由包含选自Zr，Ti和Mn中的至少一种元素的复合氧化物的烧结体，选自Mg，Zn和Co中的至少一种元素和至少一种元素选自Nb和Ta，其中复合氧化物由式xZrO2-yTiO2-zA（1 + w）/ 3B（2-w）/ 3O2表示，其中式中的“A”至少表示选自由Mg，Zn和Co组成的组（A）中的一种元素，'B'表示选自Nb和Ta组成的组（B）中的一种元素; x，y，z和w分别表示0.20 <= x <= 0.55，0.40 <= y <= 0.55,0.05 <= z <= 0.25，0 <= w <0.30的各个范围内的值，x， y和z具有表示为x + y + z = 1的关系; MnO以0.1mol％至1.0mol％的范围存在于复合氧化物中; 并且电介质陶瓷的平均晶粒尺寸为10μm至70μm，从而提供即使在作为微波区域的较低频率区域中也具有高介电常数（ε）和无载（Qu）值的电介质陶瓷，即，在0.4GHz至2.4GHz的范围内，并且实现具有高机械强度的谐振频率的期望温度系数（tauf），因此提供了使用电介质陶瓷的电介质器件。

7. 发明授权

US5484753A Dielectric ceramic compositions 失效
标题翻译：介电陶瓷组合物
公开(公告)号：US5484753A
公开(公告)日：1996-01-16
申请号：US386459
申请日：1995-02-10
申请人： Hiroshi Kagata , Junichi Kato , Tatsuya Inoue , Ichiro Kameyama , Keiji Nishimoto
发明人： Hiroshi Kagata , Junichi Kato , Tatsuya Inoue , Ichiro Kameyama , Keiji Nishimoto
IPC分类号： C04B35/465 , H01B3/12 , C04B35/46
CPC分类号： C04B35/465 , H01B3/12
摘要： This invention provides a dielectric ceramic composition which has a high dielectric constant and a high Q value, and also has lower temperature coefficient of resonance frequency. The dielectric ceramic composition is attained by sintering composition which comprises a first component from 40 to 98 wt % and a second component from 2 to 60 wt %. The first component is represented by the following formula,Ca{(Mg.sub.1/3 Nb.sub.2/3).sub.1-x Ti.sub.x }O.sub.3where 0.ltoreq.x.ltoreq.0.50. The second component includes at least one element selected from the group consisting of SiO.sub.2 and B.sub.2 O.sub.3.
摘要翻译：本发明提供了具有高介电常数和高Q值的介电陶瓷组合物，并且还具有较低的共振频率温度系数。电介质陶瓷组合物通过烧结组合物获得，该组合物包含40至98重量％的第一组分和2至60重量％的第二组分。第一组分由下式表示：Ca {（Mg1 / 3Nb2 / 3）1-xTix} O3，其中0≤x≤0.50。第二组分包括至少一种选自SiO 2和B 2 O 3的元素。

8. 发明授权

US5350639A Dielectric ceramic for use in microwave device, a microwave dielectric ceramic resonator dielectric ceramics 失效
标题翻译：介质陶瓷用于微波器件，微波介质陶瓷谐振器
公开(公告)号：US5350639A
公开(公告)日：1994-09-27
申请号：US941961
申请日：1992-09-08
申请人： Tatsuya Inoue , Hiroshi Kagata , Junichi Kato , Ichiro Kameyama
发明人： Tatsuya Inoue , Hiroshi Kagata , Junichi Kato , Ichiro Kameyama
IPC分类号： H01P7/10 , H01P7/00
CPC分类号： H01P7/10 , Y10T428/12611 , Y10T428/12618 , Y10T428/12882
摘要： Dielectric ceramics a microwave device made of (Bi.sub.2 O.sub.3).sub..times. (Nb.sub.2 O.sub.5).sub.1-x includes at least one of subcomponents of CuO and V.sub.2 O.sub.5, wherein the composition ratio x is fallen into a range of 0.48.ltoreq..times..ltoreq.0.51, an atomic ratio AR1 defined by the following equation:AR1=(the number of Cu atoms of the CuO)/ARO,whereARO=(the number of Bi atoms of the (Bi.sub.2 O.sub.3).sub.x (Nb.sub.2 O.sub.5).sub.1-x)+(the number of Nb atoms of the (Bi.sub.2 O.sub.3).sub.x (Nb.sub.2 O.sub.5).sub.1-x) is fallen into a range of 0
摘要翻译：介电陶瓷由（Bi 2 O 3）x（Nb 2 O 5）1-x制成的微波装置包括CuO和V 2 O 5的次要成分中的至少一种，其中组成比x落在0.48×0.5≤0.51的范围内，原子比AR1由以下等式定义：AR1 =（CuO的Cu原子数）/ ARO，其中ARO =（（Bi 2 O 3）x（Nb 2 O 5）1-x）的Bi原子数+ 的（Bi 2 O 3）x（Nb 2 O 5）1-x的Nb原子）落入0

9. 发明授权

US06835681B2 Dielectric ceramic composition and dielectric device 失效
标题翻译：介电陶瓷组合物和电介质器件
公开(公告)号：US06835681B2
公开(公告)日：2004-12-28
申请号：US10027620
申请日：2001-12-19
申请人： Kojiro Okuyama , Hiroshi Kagata , Junichi Kato , Hiroyuki Hase
发明人： Kojiro Okuyama , Hiroshi Kagata , Junichi Kato , Hiroyuki Hase
IPC分类号： C03C1400
CPC分类号： H01P1/20345 , C03C8/18 , C03C8/20 , C03C14/004 , C04B35/49 , H01G4/1245 , H01G4/1263 , H01G4/129
摘要： A dielectric ceramic composition containing a first component and a second component (25 to 80 wt %) is used. The first component is a complex oxide represented by Formula: xZrO2-yTiO2-zL(1+u)/3M(2−u)/3O2 (L is at least one element selected from the group consisting of Mg, Zn, Co, and Mn, and M is at least one element selected from the group consisting of Nb and Tb. x, y, z, and u are numerical values represented by x+y+z=1, 0.10≦x≦0.60, 0.20 ≦y≦0.60, 0.01≦z≦0.70, 0≦u≦1.90). The second component is a glass composition containing an oxide of at least one element selected from the group consisting of Si, B, Al, Ba, Ca, Sr, Zn, Ti, La, and Nd.
摘要翻译：使用含有第一成分和第二成分（25〜80重量％）的电介质陶瓷组合物。第一组分是由下式表示的复合氧化物：xZrO2-yTiO2-zL（1 + u）/ 3M（2-u）/ 3O2（L是选自Mg，Zn，Co和 Mn和M是选自Nb和Tb中的至少一种元素，x，y，z，u是由x + y + z = 1，0.10 <= x <= 0.60,0.20， = y <= 0.60,0.01 <= z <= 0.70,0 <= u <= 1.90）。第二组分是含有选自Si，B，Al，Ba，Ca，Sr，Zn，Ti，La和Nd中的至少一种元素的氧化物的玻璃组合物。

10. 发明授权

US5929727A Dielectric resonator, method for manufacturing the same, filter and communication apparatus 失效
标题翻译：介质谐振器及其制造方法，滤波器及通信装置
公开(公告)号：US5929727A
公开(公告)日：1999-07-27
申请号：US947739
申请日：1997-10-10
申请人： Hiroshi Kagata , Tatsuya Inoue , Junichi Kato , Hiroshi Sogo
发明人： Hiroshi Kagata , Tatsuya Inoue , Junichi Kato , Hiroshi Sogo
IPC分类号： H01P7/04
CPC分类号： H01P7/04
摘要： A coaxial dielectric resonator which is prismatic and has a through hole in a vertical direction, has such feature that each base side of said prism being no more than 1.6 mm, a diameter of said through hole being no more than 0.8 mm, said coaxial dielectric resonator having an electrode portion on a surface thereof and on an inner surface of said through hole.
摘要翻译：所述同轴电介质谐振器是棱柱形的并且在垂直方向上具有通孔，其特征在于，所述棱镜的每个基极侧不大于1.6mm，所述通孔的直径不大于0.8mm，所述同轴电介质谐振器，其表面上具有电极部分，并且在所述通孔的内表面上。

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