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1. 发明授权

US4265668A High dielectric constant type ceramic composition 失效
标题翻译：高介电常数陶瓷组合物
公开(公告)号：US4265668A
公开(公告)日：1981-05-05
申请号：US89245
申请日：1979-10-29
申请人： Shinobu Fujiwara , Kiyoshi Furukawa , Nobuaki Kikuchi , Osamu Iizawa , Hitoshi Tanaka
发明人： Shinobu Fujiwara , Kiyoshi Furukawa , Nobuaki Kikuchi , Osamu Iizawa , Hitoshi Tanaka
IPC分类号： C04B35/499 , H01B3/12 , H01G4/12 , C04B35/46 , C04B35/00
CPC分类号： C04B35/499 , H01B3/12 , H01G4/1263
摘要： A basic ceramic composition of high dielectric constant type ceramic composition comprises from 68.67 to 69.19% of PbO, from 3.67 to 4.09% of MgO, from 24.17 to 26.99% of Nb.sub.2 O.sub.5 and from 0.25 to 2.97% of TiO.sub.2, all percentages being by weight. Modified composition may comprise additive of Pb(Mn.sub.2/3 W.sub.1/3)O.sub.3, Pb(Mn.sub.1/3 Nb.sub.2/3)O.sub.3, Pb(Mn.sub.1/3 Ta.sub.2/3)O.sub.3, Pb(Mn.sub.1/2 W.sub.1/2)O.sub.3, MnO, and MgO. Modified composition may comprise Ba, Sr and Ca, which replace Pb of the basic ceramic composition. In a modified composition, the content of B site elements may be larger than that of A site element of an ABO.sub.3 crystal of the high dielectric constant type ceramic composition. A high dielectric constant, low dielectric loss, low temperature dependence of capacitance, high insulation resistance and a low sintering temperature are provided by the ceramic compositions of the present invention.
摘要翻译：高介电常数陶瓷组合物的基本陶瓷组合物包含68.67至69.19％的PbO，3.67至4.09％的MgO，24.17至26.99％的Nb2O5和0.25至2.97％的TiO2，所有百分比均为重量百分比。改性组合物可以包括Pb（Mn2 / 3W1 / 3）O3，Pb（Mn1 / 3Nb2 / 3）O3，Pb（Mn1 / 3Ta2 / 3）O3，Pb（Mn1 / 2W1 / 2）O3，MnO和MgO 。改性组合物可以包含替代碱性陶瓷组合物的Pb的Ba，Sr和Ca。在改性组合物中，B位元素的含量可以大于高介电常数型陶瓷组合物的ABO 3晶体的A位元素的含量。本发明的陶瓷组合物提供高介电常数，低介电损耗，低电容温度依赖性，高绝缘电阻和低烧结温度。

2. 发明授权

US4235635A High dielectric constant type ceramic composition 失效
标题翻译：高介电常数陶瓷组合物
公开(公告)号：US4235635A
公开(公告)日：1980-11-25
申请号：US61015
申请日：1979-07-26
申请人： Osamu Iizawa , Shinobu Fujiwara , Hisayoshi Ueoka , Kiyoshi Furukawa , Nobuaki Kikuchi , Hitoshi Tanaka
发明人： Osamu Iizawa , Shinobu Fujiwara , Hisayoshi Ueoka , Kiyoshi Furukawa , Nobuaki Kikuchi , Hitoshi Tanaka
IPC分类号： C04B35/497 , H01B3/12 , C04B35/26
CPC分类号： H01B3/12 , C04B35/497
摘要： A novel ceramic composition exhibiting a solid solution structure of Pb(Fe.sub.2/3 W.sub.1/3)O.sub.3 --Pb(ZrO.sub.3), can be sintered at a low sintering temperature; have a high insulation resistance; have a relatively high dielectric constant in the high dielectric type ceramic dielectrics; have a low dependence of dielectric constant upon temperature, and; have a low dielectric loss.A particular amount of the additives, i.e., MnO, Pb(Mn.sub.1/3 Nb.sub.2/3)O.sub.3, Pb(Mn.sub.1/2 W.sub.1/2)O.sub.3, Pb(Mn.sub.2/3 W.sub.1/3)O.sub.3, Pb(Mn.sub.1/3 Ta.sub.2/3)O.sub.3, Cr.sub.2 O.sub.3 and CeO.sub.2, is added into the composition mentioned above.
摘要翻译：表现出Pb（Fe2 / 3W1 / 3）O3-Pb（ZrO3）固溶体结构的新型陶瓷组合物可以在低烧结温度下烧结; 具有很高的绝缘电阻; 在高介电常数陶瓷电介质中具有较高的介电常数; 介电常数对温度的依赖性低，具有低介电损耗。 MnO，Pb（Mn1 / 3Nb2 / 3）O3，Pb（Mn1 / 2W1 / 2）O3，Pb（Mn2 / 3W1 / 3）O3，Pb（Mn1 / 3Ta2 / 3）O3 ，Cr 2 O 3和CeO 2加入到上述组合物中。

3. 发明授权

US4216102A High dielectric constant type ceramic composition consisting essentially of Pb(Fe.sub.1/2 Nb.sub.1/2)O.sub.3 -Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3 失效
标题翻译：基本上由Pb（Fe1 / 2Nb1 / 2）O3-Pb（Mg1 / 3Nb2 / 3）O3组成的高介电常数陶瓷组合物
公开(公告)号：US4216102A
公开(公告)日：1980-08-05
申请号：US27833
申请日：1979-04-06
申请人： Kiyoshi Furukawa , Shinobu Fujiwara , Nobuaki Kikuchi , Osamu Iizawa , Hitoshi Tanaka , Hisayoshi Ueoka
发明人： Kiyoshi Furukawa , Shinobu Fujiwara , Nobuaki Kikuchi , Osamu Iizawa , Hitoshi Tanaka , Hisayoshi Ueoka
IPC分类号： C04B35/497 , H01G4/12 , H01B3/12
CPC分类号： H01G4/12 , C04B35/497
摘要： A novel ceramic composition exhibiting a solid solution structure of Pb(Fe.sub.1/2 Nb.sub.1/2)O.sub.3 --Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3, can be sintered at a low sintering temperature; have a high insulation resistance; have a relatively high dielectric constant in the high dielectric type ceramic dielectrics, and; have a low dielectric loss.A particular amount of the additives, i.e., pb(Mn.sub.1/2 W.sub.1/2)O.sub.3, Pb(Mn.sub.1/3 Nb.sub.2/3)O.sub.3, MnO, Pb(Mn.sub.1/3 Ta.sub.2/3)O.sub.3 Li.sub.2 O, Cr.sub.2 O.sub.3 and CeO.sub.2, is added into the composition mentioned above.
摘要翻译：表现出Pb（Fe1 / 2Nb1 / 2）O3-Pb（Mg1 / 3Nb2 / 3）O3的固溶体结构的新型陶瓷组合物可以在低烧结温度下烧结; 具有很高的绝缘电阻; 在高介电常数陶瓷电介质中具有较高的介电常数，具有低介电损耗。将特定量的添加剂，即pb（Mn1 / 2W1 / 2）O3，Pb（Mn1 / 3Nb2 / 3）O3，MnO，Pb（Mn1 / 3Ta2 / 3）O3 Li2O，Cr2O3和CeO2添加到上述组合

4. 发明授权

US4854936A Semiconductive ceramic composition and semiconductive ceramic capacitor 失效
标题翻译：半导体陶瓷组合物和半导体陶瓷电容器
公开(公告)号：US4854936A
公开(公告)日：1989-08-08
申请号：US272139
申请日：1988-11-15
申请人： Shuichi Ono , Shuichi Itagaki , Masahiro Yahagi , Kiyoshi Furukawa , Shinobu Fujiwara , Yasunobu Oikawa
发明人： Shuichi Ono , Shuichi Itagaki , Masahiro Yahagi , Kiyoshi Furukawa , Shinobu Fujiwara , Yasunobu Oikawa
IPC分类号： C04B35/47 , H01G4/008 , H01G4/12
CPC分类号： H01G4/008 , C04B35/47 , H01G4/1281 , Y10T29/417 , Y10T29/435
摘要： A semiconductive ceramic composition capable of exhibiting excellent electrical and physical characteristics sufficient to be used for a boundary-layer type semiconductive ceramic capacitor and such a capacitor capable of being increased in dielectric constant and insulation resistance and exhibiting excellent solderability and tensile strength of electrodes. The composition includes a SrTiO.sub.3 base material and an additive for semiconductivity consisting of Y.sub.2 O.sub.3 and Nb.sub.2 O.sub.5. The Y.sub.2 O.sub.3 and Nb.sub.2 O.sub.5 each are present in an amount of 0.1 to 0.4 mol % based on the composition. The capacitor includes a semiconductive ceramic body formed of the composition, a first conductive layer formed on each of both surfaces of the body and a second conductive layer formed on the first conductive layer. A process for manufacturing the capacitor is also provided.

5. 发明授权

US4692422A High dielectric porcelain composition and method of reducing sintering temperature thereof 失效
标题翻译：高介电瓷组合物及其烧结温度降低的方法
公开(公告)号：US4692422A
公开(公告)日：1987-09-08
申请号：US858945
申请日：1986-05-02
申请人： Shinobu Fujiwara , Atsushi Satoh , Tetsuya Hattori , Junichi Sutoh
发明人： Shinobu Fujiwara , Atsushi Satoh , Tetsuya Hattori , Junichi Sutoh
IPC分类号： C04B35/46 , C04B35/00 , C04B35/499 , H01B3/12 , H01G4/12
CPC分类号： C04B35/499 , H01G4/1254
摘要： A high dielectric porcelain composition having, as a main component, a Pb(Mg 1/3, Nb 2/3)O.sub.3 -PbTiO.sub.3 -Pb(Mn 1/3, Nb 2/3)O.sub.3 system including 95 mol. % of Pb(Mg 1/3, Nb 2/3)O.sub.3, 5 mol. % of PbTiO.sub.3 and 0.5 weight % of Pb(Mn 1/3, Nb 2/3)O.sub.3, and, in addition, a sub-component including PbO and ZnO. Such a dielectric porcelain is capable of being sintered at a temperature lower than 1000.degree. C. A method of reducing the sintering temperature of such a high dielectric porcelain composition, is also provided.
摘要翻译：作为主要成分的含有95摩尔的Pb（Mg 1/3，Nb 2/3）O 3 -PbTiO 3-Pb（Mn 1/3，Nb 2/3）O 3体系的高介电瓷组合物。％的Pb（Mg 1/3，Nb 2/3）O 3，5mol。 PbTiO 3的百分比和Pb（Mn 1/3，Nb 2/3）O 3的0.5重量％，以及包含PbO和ZnO的亚成分。这种电介质陶瓷能够在低于1000℃的温度下烧结。还提供了降低这种高介电瓷组合物的烧结温度的方法。

6. 发明授权

US4363088A Electric power source units 失效
标题翻译：电源机组
公开(公告)号：US4363088A
公开(公告)日：1982-12-07
申请号：US223261
申请日：1981-01-08
申请人： Hirotaka Yamamoto , Minoru Obara , Shinobu Fujiwara
发明人： Hirotaka Yamamoto , Minoru Obara , Shinobu Fujiwara
IPC分类号： H02M1/08 , C04B35/47 , H01G4/12 , H02M7/00 , H03K3/53 , H03K5/00 , H02M3/18
CPC分类号： C04B35/47 , H01G4/1227 , H03K3/53
摘要： The invention provides a novel electric power source unit such as a high-speed pulse power source unit built with a pulse-forming circuit and a DC electric power source unit built with a high-frequency voltage-multipler rectifying circuit having high performance in comparison with conventional units. The inventive unit comprises, as a part of the circuit, at least one ceramic capacitor composed of a ceramic dielectric body made of a strontium titanate-based composition unlike the conventional ones in the prior art comprising barium titanate-based ceramic capacitors. Four classes of the preferred compositions are disclosed each containing strontium titanate as the principal component.
摘要翻译：本发明提供了一种新颖的电源单元，例如用脉冲形成电路构建的高速脉冲电源单元和与具有高性能的高频电压 - 倍增整流电路构成的直流电源单元相比，常规单位。本发明的单元包括作为电路的一部分的至少一个陶瓷电容器，其由与钛酸钡基陶瓷电容器相同的现有技术中的常规陶瓷电介质组成，该陶瓷电容器由钛酸锶基组合物制成。公开了四类优选的组合物，每种组合含有钛酸锶作为主要成分。

7. 发明授权

US3995300A Reduction-reoxidation type semiconducting ceramic capacitor 失效
标题翻译：还原 - 再氧化型半导体陶瓷电容器
公开(公告)号：US3995300A
公开(公告)日：1976-11-30
申请号：US497333
申请日：1974-08-14
申请人： Hitoshi Masumura , Shinobu Fujiwara , Hitoshi Tanaka
发明人： Hitoshi Masumura , Shinobu Fujiwara , Hitoshi Tanaka
IPC分类号： C04B35/465 , C04B35/475 , H01G4/12 , H01L29/95
CPC分类号： H01G4/1272 , C04B35/465 , C04B35/475
摘要： An improved reduction-reoxidation type semiconducting ceramic capacitor and the method for producing the same are disclosed. The main components of the substrate of the capacitor are CaTiO.sub.3, SrTiO.sub.3 and Bi.sub.2 O.sub.3.xTiO.sub.2. Said substrate also contains at least one member selected from the group consisting of manganese, cobalt, nickel, chromium, vanadium, niobium, tantalum, lanthanum and cerium ions in total amounts of 0.025 to 0.4% by weight. The capacitor according to the present invention excels, in the temperature independency of the capacitance and tan .delta., etc.
摘要翻译：公开了一种改进的还原再氧化型半导体陶瓷电容器及其制造方法。电容器基板的主要部件是CaTiO3，SrTiO3和Bi2O3.xTiO2。所述基材还含有总量为0.025〜0.4重量％的选自锰，钴，镍，铬，钒，铌，钽，镧和铈离子中的至少一种。根据本发明的电容器在电容和tanδ等的独立性方面优异。

8. 发明授权

US3951873A Ceramic dielectric composition 失效
标题翻译：陶瓷电介质组成
公开(公告)号：US3951873A
公开(公告)日：1976-04-20
申请号：US494186
申请日：1974-08-02
申请人： Nobuaki Kikuchi , Tsunehiko Yoshioka , Kiyoshi Furukawa , Shinobu Fujiwara
发明人： Nobuaki Kikuchi , Tsunehiko Yoshioka , Kiyoshi Furukawa , Shinobu Fujiwara
IPC分类号： C04B35/46 , C04B35/465 , H01B3/02 , H01B3/12 , H01B1/08
CPC分类号： H01B3/025 , C04B35/465
摘要： A ceramic dielectric composition which comprises 22.5-45.2 wt. % SrO, 8.3-20.6 wt. % CaO, 29.3-80.8 wt. % TiO.sub.2, and 0.07-8.3 wt. % MgO as main components.
摘要翻译：一种陶瓷电介质组合物，其包含22.5-45.2重量％％SrO，8.3-20.6wt。％CaO，29.3-80.8wt。％TiO 2和0.07-8.3重量％％MgO为主要成分。

9. 发明授权

US4073846A Reduction-reoxidation type semiconducting ceramic capacitor 失效
标题翻译：还原 - 再氧化型半导体陶瓷电容器
公开(公告)号：US4073846A
公开(公告)日：1978-02-14
申请号：US654979
申请日：1976-02-03
申请人： Hitoshi Masumura , Shinobu Fujiwara , Hitoshi Tanaka
发明人： Hitoshi Masumura , Shinobu Fujiwara , Hitoshi Tanaka
IPC分类号： C04B35/465 , C04B35/475 , H01G4/12 , C04B35/46
CPC分类号： H01G4/1272 , C04B35/465 , C04B35/475
摘要： An improved reduction-reoxidation type semiconducting ceramic capacitor and the method for producing the same are disclosed. The main components of the substrate of the capacitor are CaTiO.sub.3, SrTiO.sub.3 and Bi.sub.2 O.sub.3 .multidot.xTiO.sub.2. Said substrate also contains at least one member selected from the group consisting of manganese, cobalt, nickel, chromium, vanadium, niobium, tantalum, lanthanum and cerium ions in total amounts of 0.025 to 0.4% by weight. The capacitor according to the present invention excels, in the temperature independency of the capacitance and tan .delta., etc.
摘要翻译：公开了一种改进的还原再氧化型半导体陶瓷电容器及其制造方法。电容器基板的主要部件是CaTiO3，SrTiO3和Bi2O3xxTiO2。所述基材还含有总量为0.025〜0.4重量％的选自锰，钴，镍，铬，钒，铌，钽，镧和铈离子中的至少一种。根据本发明的电容器在电容和tanδ等的独立性方面优异。

10. 发明授权

US4119554A Ceramic dielectric composition containing alkali metal oxide 失效
标题翻译：含有碱金属氧化物的陶瓷电介质组合物
公开(公告)号：US4119554A
公开(公告)日：1978-10-10
申请号：US823261
申请日：1977-08-10
申请人： Shinobu Fujiwara
发明人： Shinobu Fujiwara
IPC分类号： C04B35/47 , C04B35/475 , H01B3/12
CPC分类号： C04B35/47 , C04B35/475 , H01B3/12 , H01G4/1218 , H01G4/1227
摘要： A ceramic dielectric composition is provided including 35 to 93.5% by weight of SrTiO.sub.3, 4 to 40% by weight of Bi.sub.2 O.sub.3, at least 2.5% but less than 60% by weight of TiO.sub.2, and 0.1 to 5.0% by weight, of an alkali metal oxide based on the total amount of SrTiO.sub.3, Bi.sub.2 O.sub.3 and TiO.sub.2. The ceramic dielectric composition has a high dielectric constant and low dielectric loss and exhibits reduced variations of dielectric constant and the dielectric loss with respect to variation of an applied voltage.
摘要翻译：提供一种陶瓷电介质组合物，其包含35至93.5重量％的SrTiO 3，4至40重量％的Bi 2 O 3，至少2.5重量％但小于60重量％的TiO 2和0.1至5.0重量％的碱基于SrTiO 3，Bi 2 O 3和TiO 2的总量的金属氧化物。陶瓷电介质组合物具有高介电常数和低介电损耗，并且相对于施加的电压的变化表现出介电常数和介电损耗的变化减小。

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