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11. 发明授权

US4058404A Sintered ceramic dielectric body 失效
标题翻译：烧结陶瓷绝缘体
公开(公告)号：US4058404A
公开(公告)日：1977-11-15
申请号：US613739
申请日：1975-09-16
申请人： Shinobu Fujiwara , Hitoshi Tanaka
发明人： Shinobu Fujiwara , Hitoshi Tanaka
IPC分类号： C04B35/465 , C04B35/475 , H05K1/03 , C04B35/00 , C04B35/46
CPC分类号： C04B35/465 , C04B35/475 , H05K1/0306
摘要： A sintered ceramic dielectric body is provided which exhibits a high dielectric constant as well as a low dielectric loss and almost no variation in the dielectric constant and the dielectric loss with respect to a wide variation of an applied high AC or DC voltage, respectively. The ceramic dielectric composition consists essentially, by weight, of approximately 18 to 70% of strontium titanate (SrTiO.sub.3), approximately 4 to 75% of barium titanate (BaTiO.sub.3), 2.5 to 17.4% of bismuth oxide (Bi.sub.2 O.sub.3) and 1.7 to approximately 20% of titanium oxide (TiO.sub.2); the ratio by mole of the titanium oxide (TiO.sub.2) to the bismuth oxide (Bi.sub.2 O.sub.3) being within the range from approximately 1 to 18.
摘要翻译：提供一种烧结陶瓷电介质体，其分别具有高介电常数以及低的介电损耗，并且相对于所施加的高AC或DC电压的宽变化，介电常数和介电损耗几乎不变化。陶瓷电介质组合物基本上由重量百分比组成的钛酸锶（SrTiO 3）的约18〜70％，钛酸钡（BaTiO 3）的4〜75％，氧化铋（Bi 2 O 3）的2.5〜17.4％，氧化铋（Bi 2 O 3）的1.7〜20 ％的氧化钛（TiO2）; 氧化钛（TiO 2）与氧化铋（Bi 2 O 3）的摩尔比在约1〜18的范围内。

12. 发明授权

US4799127A Semiconductive ceramic composition and semiconductor 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：US4799127A
公开(公告)日：1989-01-17
申请号：US79018
申请日：1987-07-29
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 , H01G4/10 , C04B41/14 , H01B3/02
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.
摘要翻译：能够表现出足以用于边界层型半导体陶瓷电容器的优异的电气和物理特性的半导体陶瓷组合物和能够增加介电常数和绝缘电阻并且显示优异的电极的可焊性和拉伸强度的电容器。该组合物包括SrTiO 3基材和由Y 2 O 3和Nb 2 O 5组成的半导电性的添加剂。基于组成，Y 2 O 3和Nb 2 O 5的存在量为0.1〜0.4摩尔％。电容器包括由该组合物形成的半导体陶瓷体，形成在主体的两个表面中的每一个上的第一导电层和形成在第一导电层上的第二导电层。还提供了制造电容器的工艺。

13. 发明授权

US4447549A Non-linear dielectric element 失效
标题翻译：非线性介电元件
公开(公告)号：US4447549A
公开(公告)日：1984-05-08
申请号：US476250
申请日：1983-03-22
申请人： Sho Masujima , Masahide Shibuya , Iwaya Shoichi , Kenichi Umeda , Yasunobu Oikawa , Hisao Abe , Yoshifumi Midori , Shinobu Fujiwara , Nobuaki Kikuchi
发明人： Sho Masujima , Masahide Shibuya , Iwaya Shoichi , Kenichi Umeda , Yasunobu Oikawa , Hisao Abe , Yoshifumi Midori , Shinobu Fujiwara , Nobuaki Kikuchi
IPC分类号： C04B35/46 , C04B35/468 , H01B3/12 , H01G7/02 , H01G7/06 , H03K3/02 , H05B41/04 , H05B41/18
CPC分类号： H01B3/12 , C04B35/4682 , H05B41/046
摘要： A D-E hysteresis loop of ferroelectrics known in the art has a square shape when the ferroelectrics are a BaTiO.sub.3 single crystal. Such ferroelectrics are used as a non-linear dielectric element of, for example a pulse generating device. The non-linear dielectric element according to the present invention consists of a polycrystal, which is mainly composed of BaTiO.sub.3 and has the chemical composition expressed by the formula A.sub.y B.sub.z O.sub.3, wherein the molar ratio of y/z ranges from 0.92 to 0.99. The non-linearity is excellent and the temperature dependence of the A.sub.y B.sub.z O.sub.3 composition is considerably low.
摘要翻译：当铁电体是BaTiO 3单晶时，本领域已知的铁电体的D-E磁滞回线具有正方形形状。这种铁电体用作例如脉冲发生装置的非线性介电元件。根据本发明的非线性介电元件由主要由BaTiO 3组成并具有由式AyBzO3表示的化学组成的多晶体组成，其中y / z的摩尔比范围为0.92至0.99。非线性优异，并且AyBzO3组合物的温度依赖性相当低。

14. 发明授权

US4428661A Magnetic brush type developing device 失效
标题翻译：磁刷式显影装置
公开(公告)号：US4428661A
公开(公告)日：1984-01-31
申请号：US348259
申请日：1982-02-12
申请人： Keiji Masuda , Shinobu Fujiwara , Kenichi Matsumoto
发明人： Keiji Masuda , Shinobu Fujiwara , Kenichi Matsumoto
IPC分类号： G03G15/09 , G03G15/08
CPC分类号： G03G15/09
摘要： A magnetic brush developing device for developing an electrostatic latent image formed on a charge retaining member includes a housing for containing developer, a developing sleeve arranged rotatably in the housing, a plurality of magnets interior of the developing sleeve, a doctor blade for regulating a thickness of a developer layer formed on a circumferential surface of the developing sleeve by a magnetic flux of the magnets, and a magnetic material fixed on an internal surface of the housing and downstream of the doctor blade as viewed from the direction of the rotation of the developing sleeve. The magnetic material extends in the direction of the width of the developing sleeve, is spaced from the circumferential surface of the developing sleeve, and is positioned opposite to at least one of the magnets arranged in the developing sleeve.
摘要翻译：用于显影形成在电荷保持部件上的静电潜像的磁刷显影装置包括容纳显影剂的壳体，可旋转地布置在壳体中的显影套筒，显影套筒内部的多个磁体，用于调节厚度的刮刀通过所述磁体的磁通量在所述显影套筒的圆周表面上形成的显影剂层，以及固定在所述壳体的内表面上并且从所述显影剂的旋转方向观察的所述刮刀的下游的磁性材料袖。磁性材料在显影套筒的宽度方向上延伸，与显影套筒的周向表面间隔开，并且与布置在显影套筒中的至少一个磁体相对定位。

15. 发明授权

US4287075A 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 -Pb(Mg.sub.1/2 W.sub.1/2)O.sub.3 失效
标题翻译：高介电常数陶瓷组合物主要由Pb（Fe1 / 2Nb1 / 2）O3-Pb（Mg1 / 3Nb2 / 3）O3-Pb（Mg1 / 2W1 / 2）O3
公开(公告)号：US4287075A
公开(公告)日：1981-09-01
申请号：US30384
申请日：1979-04-16
申请人： Shinobu Fujiwara , Kiyoshi Furukawa , Nobuaki Kikuchi , Osamu Iizawa , Hitoshi Tanaka , Hisayoshi Ueoka
发明人： Shinobu Fujiwara , Kiyoshi Furukawa , Nobuaki Kikuchi , Osamu Iizawa , Hitoshi Tanaka , Hisayoshi Ueoka
IPC分类号： C04B35/497 , H01B3/12
CPC分类号： 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 -Pb(Mg.sub.1/2 W.sub.1/2)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.2/3 W.sub.1/3)O.sub.3, Pb(Mb.sub.1/2 W.sub.1/2)O.sub.3 Pb(Mn.sub.1/2 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-Pb（Mg1 / 2W1 / 2）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。（Mn2 / 3W1 / 3）O3，Pb（Mb1 / 2W1 / 2）O3 + L，Pb（Mn1 / 2Nb2 / 3）O3，MnO，Pb（Mn1 / 3Ta2 / 3）将O 3，Li 2 O，Cr 2 O 3和CeO 2加入到上述组合物中。

16. 发明授权

US4216103A 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 Ta.sub.2/3)O.sub.3 失效
标题翻译：高介电常数陶瓷组合物主要由Pb（Fe1 / 2Nb1 / 2）O3-Pb（Mg1 / 3Ta2 / 3）O3
公开(公告)号：US4216103A
公开(公告)日：1980-08-05
申请号：US27834
申请日：1979-04-06
申请人： Shinobu Fujiwara , Kiyoshi Furukawa , Nobuaki Kikuchi , Osamu Iizawa , Hitoshi Tanaka , Hisayoshi Ueoka
发明人： Shinobu Fujiwara , Kiyoshi Furukawa , Nobuaki Kikuchi , Osamu Iizawa , Hitoshi Tanaka , Hisayoshi Ueoka
IPC分类号： C04B35/497 , H01B3/12
CPC分类号： C04B35/497
摘要： A novel ceramic composition exhibiting a solid solution structure of Pb(Fe.sub.1/2 Nb.sub.178 )O.sub.3 -Pb(Mg.sub.1/3 Ta.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.170 )O.sub.3, MnO, Pb(Mn.sub.1/3 Ta.sub.170 )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 / 2Nb178）O3-Pb（Mg1 / 3Ta2 / 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。在上述组合物中加入特定量的添加剂，即Pb（Mn1 / 2W1 / 2）O3，Pb（Mn1 / 3Nb170）O3，MnO，Pb（Mn1 / 3Ta170）O3，Li2O，Cr2O3和CeO2 。

17. 发明授权

US4017320A Ceramic dielectric composition 失效
标题翻译：陶瓷电介质组成
公开(公告)号：US4017320A
公开(公告)日：1977-04-12
申请号：US633237
申请日：1975-11-19
申请人： Shinobu Fujiwara , Hitoshi Tanaka
发明人： Shinobu Fujiwara , Hitoshi Tanaka
IPC分类号： C04B35/47 , H01B3/12 , C04B35/00 , C04B35/46
CPC分类号： H01B3/12 , C04B35/47
摘要： A ceramic dielectric composition is provided including 30 to 94% by mol of SrTiO.sub.3, 1 to 22% by mol of Bi.sub.2 O.sub.3 and 5 to 69% by mol of TiO.sub.2, and further including 0.1 to 20% by weight of MgO with respect to the total weight of the above-mentioned three compounds SrTiO.sub.3, Bi.sub.2 O.sub.3 and TiO.sub.2, whereby the ceramic dielectric composition has a high dielectric constant and a low dielectric loss and further the variations of the dielectric constant and the dielectric loss with respect to the variation of an applied voltage, are respectively, very small.
摘要翻译：提供一种陶瓷电介质组合物，其包含30至94摩尔％的SrTiO 3，1至22摩尔％的Bi 2 O 3和5至69摩尔％的TiO 2，并且还包括相对于总量的0.1至20重量％的MgO 上述三种化合物SrTiO 3，Bi 2 O 3和TiO 2的重量，由此陶瓷电介质组合物具有高介电常数和低介电损耗，并且还有相对于施加电压变化的介电常数和介电损耗的变化，分别很小。

18. 发明授权

US4014707A Ceramic dielectric composition 失效
标题翻译：陶瓷电介质组成
公开(公告)号：US4014707A
公开(公告)日：1977-03-29
申请号：US594017
申请日：1975-07-08
申请人： Hitoshi Tanaka , Hitoshi Masumura , Shinobu Fujiwara
发明人： Hitoshi Tanaka , Hitoshi Masumura , Shinobu Fujiwara
IPC分类号： C04B35/46 , C04B35/468 , H01B3/02 , H01B3/12 , H01B1/06
CPC分类号： H01B3/025 , C04B35/4682
摘要： A dielectric ceramic composition comprises as principle constituents, 86 - 99.6 mole % of barium titanate, 0.2 - 10 mole % of niobium pentaoxide and 0.2 - 4 mole % of cerium oxide.
摘要翻译：介电陶瓷组合物包含86至99.6摩尔％的钛酸钡，0.2-10摩尔％的五氧化铌和0.2-4摩尔％的氧化铈作为主要成分。

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