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公开(公告)号:US08507395B2
公开(公告)日:2013-08-13
申请号:US13221246
申请日:2011-08-30
申请人: Yoshitaka Murakawa , Yukie Nakano , Shirou Ootsuki
发明人: Yoshitaka Murakawa , Yukie Nakano , Shirou Ootsuki
IPC分类号: C04B35/468
CPC分类号: H01G4/1227 , C04B35/4682 , C04B2235/3206 , C04B2235/3236 , C04B2235/3262 , C04B2235/3454 , C04B2235/528 , C04B2235/768
摘要: A dielectric ceramic composition comprising a compound expressed by a formula of ABO3, where “A” is Ba alone, or Ba and at least one selected from Ca and Sr, and “B” is Ti alone, or Ti and Zr, and having a perovskite-type crystal structure, and an oxide of a rare-earth element including Sc and Y. The dielectric ceramic composition includes a dielectric particle having a core-shell structure which has a core and a shell, the shell being present around the core and including at least “R” element, and in the shell, a region showing a maximum content rate of “R” element is a boundary region between the core and the shell.
摘要翻译: 包含由式ABO3表示的化合物的电介质陶瓷组合物,其中“A”为单独的Ba,或Ba和选自Ca和Sr中的至少一种,“B”为单独的Ti或Ti和Zr,并且具有 钙钛矿型晶体结构,以及包含Sc和Y的稀土元素的氧化物。介电陶瓷组合物包括具有芯壳和壳的核 - 壳结构的电介质颗粒,壳存在于芯周围, 包括至少“R”元素,并且在壳中,显示最大含量率“R”元素的区域是核和壳之间的边界区域。
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公开(公告)号:US07595974B2
公开(公告)日:2009-09-29
申请号:US10580005
申请日:2004-11-22
申请人: Yukie Nakano , Takeshi Nomura , Yasutaka Taguchi
发明人: Yukie Nakano , Takeshi Nomura , Yasutaka Taguchi
CPC分类号: H01G4/30 , H01G4/1227
摘要: A multilayer ceramic capacitor having a high dielectric constant, a large capacitance and a high reliability can be obtained by controlling a value of residual stress in it.
摘要翻译: 通过控制其中的残余应力值,可以获得具有高介电常数,大电容和高可靠性的多层陶瓷电容器。
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公开(公告)号:US06809052B2
公开(公告)日:2004-10-26
申请号:US10342283
申请日:2003-01-15
申请人: Yuusaku Horie , Yukie Nakano , Kaori Masumiya
发明人: Yuusaku Horie , Yukie Nakano , Kaori Masumiya
IPC分类号: C04B35468
CPC分类号: H01G4/1227 , C01G23/003 , C01G23/006 , C01G31/006 , C01G45/006 , C01P2002/50 , C01P2004/03 , C01P2004/61 , C01P2004/80 , C01P2006/40 , C04B35/4682 , C04B35/62218 , C04B35/638 , C04B35/64 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3239 , C04B2235/3241 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3418 , C04B2235/3436 , C04B2235/3454 , C04B2235/5445 , C04B2235/652 , C04B2235/6562 , C04B2235/6565 , C04B2235/6567 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2235/664 , C04B2235/72 , C04B2235/79
摘要: A dielectric ceramic composition, comprising a main component including barium titanate, a fourth subcomponent including an oxide of R1 (note that R1 is at least one kind selected from a first element group composed of rare-earth elements having a effective ionic radius of less than 108 pm when having a coordination number of nine), and a fifth subcomponent including an oxide of R2 (note that R2 is at least one kind selected from a second element group composed of rare-earth elements having a effective ionic radius of 108 pm to 113 pm when having a coordination number of nine). According to the composition, a dielectric ceramic composition having excellent reducing resisting property at firing, excellent temperature dependence of capacitance after firing, and improved accelerated lifetime of insulation resistance can be provided.
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公开(公告)号:US06723192B2
公开(公告)日:2004-04-20
申请号:US10082270
申请日:2002-02-26
申请人: Katsuto Nagano , Taku Takeishi , Suguru Takayama , Takeshi Nomura , Yukie Nakano , Daisuke Iwanaga
发明人: Katsuto Nagano , Taku Takeishi , Suguru Takayama , Takeshi Nomura , Yukie Nakano , Daisuke Iwanaga
IPC分类号: B32B3126
CPC分类号: H05B33/22 , H05B33/02 , H05B33/10 , H05B33/12 , H05B33/26 , Y10T428/24917 , Y10T428/24926
摘要: A composite substrate in which the surface of the insulating layer is not influenced by the electrode layer and which requires neither a grinding process nor a sol-gel process, is easy to produce and can provide a thin-film EL device having a high display quality when used therein; a thin-film EL device using the substrate; and a production process for the device. The thin-film EL device is produced by forming a luminescent layer, other insulating layer and other electrode layer successively on a composite substrate comprising a substrate; an electrode layer embedded in the substrate in such a manner that the electrode layer and the substrate are in one plane; and an insulating layer formed on the surface of a composite comprising the substrate and the electrode layer.
摘要翻译: 绝缘层的表面不受电极层的影响并且既不需要研磨工艺也不需要溶胶 - 凝胶法的复合衬底易于制造,并且可以提供具有高显示质量的薄膜EL器件 当其中使用时; 使用该基板的薄膜EL器件; 以及该设备的生产过程。 薄膜EL器件通过在包括衬底的复合衬底上依次形成发光层,其它绝缘层和其它电极层来制造; 以使电极层和基板在一个平面内的方式嵌入基板中的电极层; 以及形成在包含所述基板和所述电极层的复合体的表面上的绝缘层。
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公开(公告)号:US20080212258A1
公开(公告)日:2008-09-04
申请号:US12010814
申请日:2008-01-30
申请人: Takashi Fukui , Kazutaka Suzuki , Yukie Nakano
发明人: Takashi Fukui , Kazutaka Suzuki , Yukie Nakano
IPC分类号: H01G4/008
CPC分类号: H01G4/0085 , H01G4/1209 , H01G4/1227 , H01G4/30 , Y10T29/435
摘要: The electronic device according to the present invention comprises capacitor element body 4 wherein internal electrode layer 12 and ceramic layer 10 is included. Internal electrode layer 12 includes Ni and at least one element from Re, Ru, and Ir. The ceramic layer 10 substantially doesn't include Re, Ru, Os, and Ir.
摘要翻译: 根据本发明的电子器件包括电容器元件体4,其中包括内部电极层12和陶瓷层10。 内部电极层12包括Ni和来自Re,Ru和Ir的至少一种元素。 陶瓷层10基本上不包括Re,Ru,Os和Ir。
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公开(公告)号:US20080006365A1
公开(公告)日:2008-01-10
申请号:US11896060
申请日:2007-08-29
申请人: Takako Hibi , Yukie Nakano , Shunichi Yuri , Takahiro Ushijima , Akira Sato , Wataru Takahara , Masako Yoshii
发明人: Takako Hibi , Yukie Nakano , Shunichi Yuri , Takahiro Ushijima , Akira Sato , Wataru Takahara , Masako Yoshii
CPC分类号: C04B35/638 , B32B18/00 , B32B2311/22 , C04B35/4682 , C04B35/49 , C04B35/63 , C04B35/634 , C04B35/63424 , C04B35/64 , C04B2235/3203 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3236 , C04B2235/3239 , C04B2235/3241 , C04B2235/3248 , C04B2235/3262 , C04B2235/3409 , C04B2235/3418 , C04B2235/3436 , C04B2235/6562 , C04B2235/6565 , C04B2235/6567 , C04B2235/658 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/662 , C04B2235/79 , C04B2237/346 , C04B2237/348 , C04B2237/40 , C04B2237/405 , C04B2237/704 , C04B2237/706 , H01G4/1245 , H01G4/30
摘要: A method of producing a multilayer ceramic electronic device, having a firing step for firing a pre-firing element body wherein a plurality of dielectric layers and internal electrode layers containing a base metal are alternately arranged, characterized in that the firing step has a temperature raising step for raising a temperature to a firing temperature, and hydrogen is continued to be introduced from a point in time of the temperature raising step. According to the method, it is possible to provide a method of producing a multilayer ceramic electronic device, such as a multilayer ceramic capacitor, wherein shape anisotropy and other structural defaults are hard to occur and electric characteristics are improved while suppressing deterioration thereof even if dielectric layers becomes thinner and stacked more.
摘要翻译: 一种制造多层陶瓷电子器件的方法,具有烧结步骤,用于焙烧预烧元件体,其中多个电介质层和含有贱金属的内电极层交替布置,其特征在于,所述烧制步骤具有升温 将温度升高到烧成温度的步骤,并且从升温步骤的时间点继续导入氢。 根据该方法,可以提供一种制造多层陶瓷电容器的方法,例如多层陶瓷电容器,其中形状各向异性和其它结构缺陷难以发生,并且电特性得到改善,同时抑制其劣化,即使电介质 层变得更薄并且堆叠更多。
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公开(公告)号:US20070139861A1
公开(公告)日:2007-06-21
申请号:US10580005
申请日:2004-11-22
申请人: Yukie Nakano , Takeshi Nomura , Yasutaka Taguchi
发明人: Yukie Nakano , Takeshi Nomura , Yasutaka Taguchi
IPC分类号: H01G4/06
CPC分类号: H01G4/30 , H01G4/1227
摘要: A multilayer ceramic capacitor having a high dielectric constant, a large capacitance and a high reliability can be obtained by controlling a value of residual stress in it.
摘要翻译: 通过控制其中的残余应力值,可以获得具有高介电常数,大电容和高可靠性的多层陶瓷电容器。
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公开(公告)号:US5668694A
公开(公告)日:1997-09-16
申请号:US545255
申请日:1995-10-19
申请人: Akira Sato , Naoki Kawano , Takeshi Nomura , Yukie Nakano , Tomohiro Arashi , Junko Yamamatsu
发明人: Akira Sato , Naoki Kawano , Takeshi Nomura , Yukie Nakano , Tomohiro Arashi , Junko Yamamatsu
IPC分类号: C04B35/468 , C04B35/634 , C04B35/638 , H01G4/12 , H01G4/06 , G11C11/24
CPC分类号: B32B18/00 , C04B35/4682 , C04B35/6264 , C04B35/63424 , C04B35/638 , C04B35/64 , H01G4/1227 , B32B2311/22 , C04B2235/3205 , C04B2235/3206 , C04B2235/3208 , C04B2235/3215 , C04B2235/3225 , C04B2235/3239 , C04B2235/3256 , C04B2235/3262 , C04B2235/3418 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2235/765 , C04B2235/768 , C04B2235/785 , C04B2237/12 , C04B2237/346 , C04B2237/40 , C04B2237/405 , C04B2237/704 , C04B2237/706
摘要: The invention provides a multilayer ceramic chip capacitor which satisfies X7R property or a temperature response of its capacitance and shows a minimal change of capacitance with time under a DC electric field, a long accelerated life of insulation resistance (IR) and good DC bias performance and also provides a multilayer ceramic chip capacitor which is resistant to dielectric breakdown in addition to the above advantages. In a first form of the invention, dielectric layers contain BaTiO.sub.3 as a major component and MgO, Y.sub.2 O.sub.3, at least one of BaO and CaO, and SiO.sub.2 as minor components in a specific proportion. In a second form, the dielectric layers further contain MnO and at least one of V.sub.2 O.sub.5 and MoO.sub.3 as minor components in a specific proportion. In the first form, the dielectric layer has a mean grain size of up to 0.45 .mu.m, and in an X-ray diffraction chart of the dielectric layer, a diffraction line of (200) plane and a diffraction line of (002) plane at least partially overlap one another to form a wide diffraction line which has a half-value width of up to 0.35.degree..
摘要翻译: 本发明提供了一种多层陶瓷片式电容器,其满足X7R特性或其电容的温度响应,并且在直流电场下显示电容随时间的最小变化,绝缘电阻(IR)的加速寿命长以及良好的直流偏置性能,以及 还提供了除了上述优点之外还耐绝缘击穿的多层陶瓷片式电容器。 在本发明的第一种形式中,电介质层以BaTiO 3为主要成分,MgO,Y2O3,BaO和CaO中的至少一种,SiO2为特定比例的微量成分。 在第二种形式中,电介质层进一步包含MnO和以特定比例的V 2 O 5和MoO 3中的至少一种作为次要组分。 在第一种形式中,电介质层的平均晶粒尺寸高达0.45μm,并且在电介质层的X射线衍射图中,(200)面的衍射线和(002)面的衍射线 至少部分地彼此重叠以形成具有高达0.35度的半值宽度的宽衍射线。
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公开(公告)号:US07335329B2
公开(公告)日:2008-02-26
申请号:US10633686
申请日:2003-08-05
申请人: Yukie Nakano , Shunichi Yuri , Mari Miyauchi , Daisuke Iwanaga
发明人: Yukie Nakano , Shunichi Yuri , Mari Miyauchi , Daisuke Iwanaga
CPC分类号: H01G4/12 , H01G4/232 , H01G4/30 , Y10T29/417
摘要: A method of producing a multilayer ceramic capacitor having internal electrode layers and dielectric layers with dielectric particles is disclosed. An average particle diameter of the dielectric particles, when measured parallel with the direction of the internal electrode layers, is larger than a thickness of the dielectric layer. A ratio (R/d) between the average particle diameter (R) and the thickness (d) of the dielectric layer is 1
摘要翻译: 公开了一种制造具有内部电极层和具有电介质颗粒的电介质层的多层陶瓷电容器的方法。 当与内部电极层的方向平行地测量时,电介质颗粒的平均粒径大于介电层的厚度。 介电层的平均粒径(R)与厚度(d)之比(R / d)为1
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公开(公告)号:US07276130B2
公开(公告)日:2007-10-02
申请号:US10296993
申请日:2002-04-12
申请人: Takako Hibi , Yukie Nakano , Shunichi Yuri , Takahiro Ushijima , Akira Sato , Wataru Takahara , Masako Yoshii
发明人: Takako Hibi , Yukie Nakano , Shunichi Yuri , Takahiro Ushijima , Akira Sato , Wataru Takahara , Masako Yoshii
CPC分类号: C04B35/638 , B32B18/00 , B32B2311/22 , C04B35/4682 , C04B35/49 , C04B35/63 , C04B35/634 , C04B35/63424 , C04B35/64 , C04B2235/3203 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3236 , C04B2235/3239 , C04B2235/3241 , C04B2235/3248 , C04B2235/3262 , C04B2235/3409 , C04B2235/3418 , C04B2235/3436 , C04B2235/6562 , C04B2235/6565 , C04B2235/6567 , C04B2235/658 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/662 , C04B2235/79 , C04B2237/346 , C04B2237/348 , C04B2237/40 , C04B2237/405 , C04B2237/704 , C04B2237/706 , H01G4/1245 , H01G4/30
摘要: A method of producing a multilayer ceramic electronic device, having a firing step for firing a pre-firing element body wherein a plurality of dielectric layers and internal electrode layers containing a base metal are alternately arranged, characterized in that the firing step has a temperature raising step for raising a temperature to a firing temperature, and hydrogen is continued to be introduced from a point in time of the temperature raising step. According to the method, it is possible to provide a method of producing a multilayer ceramic electronic device, such as a multilayer ceramic capacitor, wherein shape anisotropy and other structural defaults are hard to occur and electric characteristics are improved while suppressing deterioration thereof even if dielectric layers becomes thinner and stacked more.
摘要翻译: 一种制造多层陶瓷电子器件的方法,具有烧结步骤,用于焙烧预烧元件体,其中多个电介质层和含有贱金属的内电极层交替布置,其特征在于,所述烧制步骤具有升温 将温度升高到烧成温度的步骤,并且从升温步骤的时间点继续导入氢。 根据该方法,可以提供一种制造多层陶瓷电容器的方法,例如多层陶瓷电容器,其中形状各向异性和其它结构缺陷难以发生,并且电特性得到改善,同时抑制其劣化,即使电介质 层变得更薄并且堆叠更多。
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