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1. 发明专利

JP2013035746A Ceramic composition and laminated ceramic electronic component including the same 审中-公开
标题翻译：陶瓷组合物和层压陶瓷电子元件包括它们
公开(公告)号：JP2013035746A
公开(公告)日：2013-02-21
申请号：JP2012167790
申请日：2012-07-27
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社 , Penn State Research Foundation , ペン.ステート.リサーチ.ファウンデーション
发明人： KOBAYASHI KEISUKE , RANDALL CLIVE A , HATANO KEIICHI , TOSHIDA YUTAKA , MIZUNO YOICHI , TATSU YUTAKA
IPC分类号： C04B35/00 , H01G4/12 , H01G4/232 , H01G4/30
CPC分类号： H01G4/30 , C04B35/495 , C04B35/6262 , C04B35/62685 , C04B2235/3201 , C04B2235/3203 , C04B2235/3251 , C04B2235/445 , C04B2235/652 , C04B2235/6584 , C04B2235/768 , H01G4/1254
摘要： PROBLEM TO BE SOLVED: To provide a ceramic composition that has high relative permittivity, wherein the relative permittivity is prevented from degrading due to the application of direct electric field.SOLUTION: The ceramic composition contains ceramic particles each having a core-shell structure. The ceramic composition further includes: a core consisting of antiferroelectric material; and a shell comprising a ferroelectric material or a paraelectric material and surrounding the core.
摘要翻译：要解决的问题：提供一种具有高相对介电常数的陶瓷组合物，其中由于施加直接电场，防止相对介电常数降低。解决方案：陶瓷组合物包含各自具有核 - 壳结构的陶瓷颗粒。陶瓷组合物还包括：由反铁电材料构成的芯; 以及包含铁电材料或顺电材料并围绕芯的外壳。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2006128350A Laminated ceramic capacitor and its manufacturing method 审中-公开
标题翻译：层压陶瓷电容器及其制造方法
公开(公告)号：JP2006128350A
公开(公告)日：2006-05-18
申请号：JP2004313687
申请日：2004-10-28
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社
发明人： MORITA KOICHIRO , MIZUNO YOICHI , KISHI HIROSHI
IPC分类号： H01G4/12 , H01G4/30 , H01G13/00
摘要： PROBLEM TO BE SOLVED: To provide a laminated ceramic capacitor whose withstand voltage is improved without deteriorating capacity, and to provide a manufacturing method of the capacitor.
SOLUTION: In the laminated ceramic capacitor, a ceramic dielectric layer and an inner electrode layer are alternately laminated. The capacitor has a margin between the inner electrode layer and the surface of a chip. The margin has the SiO
2 deposition phase of a structure which is dispersed in the shape of a dendrite. The inner electrode is printed and laminated on the surface of a green sheet formed from ceramic material powder whose principle component is barium titanate. The electrode is cut into individual laminated chips and an outer electrode is formed, calcinated and re-oxidated. The SiO
2 content of 2.5 mol% or above is given with respect to 100 mol% of barium titanate. The electrode is heated and held at a prescribed temperature after calcination.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供耐电压提高而不降低容量的层压陶瓷电容器，并提供电容器的制造方法。解决方案：在层叠陶瓷电容器中，交替层叠陶瓷电介质层和内部电极层。电容器在内部电极层和芯片表面之间具有边缘。边缘具有分散在枝晶形状的结构的SiO 2 沉积相。将内部电极印刷并层压在由主要成分为钛酸钡的陶瓷材料粉末形成的生片的表面上。将电极切割成单独的层压芯片，并形成外电极，煅烧并再次氧化。相对于100摩尔％的钛酸钡，给出2.5摩尔％以上的SiO 2 含量。煅烧后将电极加热并保持在规定温度。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2013209250A Ceramic powder and multi-layer ceramic capacitor 有权
标题翻译：陶瓷粉末和多层陶瓷电容器
公开(公告)号：JP2013209250A
公开(公告)日：2013-10-10
申请号：JP2012080787
申请日：2012-03-30
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社
发明人： MIZUNO YOICHI
IPC分类号： C04B35/468 , C01G23/00 , H01G4/12 , H01G4/30
CPC分类号： H01G4/1227 , B82Y30/00 , C01G23/006 , C01P2002/77 , C01P2004/62 , C01P2004/64 , C04B35/4682 , C04B35/624 , C04B35/6261 , C04B35/62675 , C04B35/6268 , C04B35/6269 , C04B2235/3201 , C04B2235/3203 , C04B2235/3206 , C04B2235/3224 , C04B2235/3225 , C04B2235/3236 , C04B2235/3239 , C04B2235/3241 , C04B2235/3251 , C04B2235/3256 , C04B2235/3258 , C04B2235/3267 , C04B2235/3275 , C04B2235/3279 , C04B2235/3409 , C04B2235/3418 , C04B2235/5445 , C04B2235/5454 , C04B2235/6567 , C04B2235/6584 , C04B2235/761 , H01G4/30 , Y10T428/2982
摘要： PROBLEM TO BE SOLVED: To provide: a ceramic powder that has a wide range of optimum sintering temperatures and excellent productivity and is particularly useful in the formation of thin dielectric layers of 1 μm or less, and that contains, as a main composition, barium titanate powder having a perovskite structure; and an MLCC product by a high yield by the same.SOLUTION: A ceramic powder includes, as a main composition, barium titanate powder having a perovskite structure with an average particle size (median size) of 200 nm or smaller as measured by SEM observation, wherein the barium titanate powder is such that the percentage of barium titanate particles having twin defects in the barium titanate powder is 13% or more as measured by TEM observation and that its crystal lattice c/a is 1.0080 or more.
摘要翻译：要解决的问题：提供：具有广泛的最佳烧结温度和优异的生产率的陶瓷粉末，特别可用于形成1μm以下的薄电介质层，并且以包含作为主要组成的钡具有钙钛矿结构的钛酸盐粉末; 和MLCC产物。高分子量的陶瓷粉末作为主要组成，通过SEM观察测定出平均粒径（中值粒径）为200nm以下的具有钙钛矿型结构的钛酸钡粉末其中，钛酸钡粉末使得通过TEM观察测定的钛酸钡粉末中具有双重缺陷的钛酸钡粒子的比例为13％以上，晶格c / a为1.0080以上。

4. 发明专利

JP2009032837A Laminated ceramic capacitor and its manufacturing method 有权
标题翻译：层压陶瓷电容器及其制造方法
公开(公告)号：JP2009032837A
公开(公告)日：2009-02-12
申请号：JP2007194041
申请日：2007-07-26
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社
发明人： KASUYA YUICHI , MIZUNO YOICHI
IPC分类号： H01G4/12 , H01G4/232 , H01G4/30
CPC分类号： H01G4/30 , H01G4/005 , H01G4/1227 , Y10T29/435
摘要： PROBLEM TO BE SOLVED: To obtain a laminated ceramic capacitor including an internal electrode having a good continuity with a relatively low cost. SOLUTION: An internal electrode layer 4 is made of metallic particles 40. The arithmetic average particle diameter of the metallic particles 40 found as a particle diameter R in a direction parallel to the plane direction of the internal electrode layer 4 is smaller than a thickness T of the internal electrode layer 4, the internal electrode layer is formed by using a conductive paste containing conductive powder made of Ni metallic particles coated with base metal particles selected from the group of Mn, Co, Fe, Cu, Nb, Ba, Ca, Sr, Ti, Zn and a rare earth metal or coated with particles of an oxide thereof, and the internal electrode layer is thermally treated in a reduced sintering atmosphere having 10 -14 to 10 -18 atm of oxygen partial pressure, thus obtaining a laminated ceramic capacitor 1. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得具有相对较低成本的具有良好连续性的内部电极的层压陶瓷电容器。解决方案：内部电极层4由金属颗粒40构成。在与内部电极层4的平面方向平行的方向上，作为粒径R求出的金属微粒40的算术平均粒径小于内部电极层4的厚度T，内部电极层通过使用包含由涂覆有选自Mn，Co，Fe，Cu，Nb，Ba的母体金属颗粒的Ni金属微粒制成的导电性粉末的导电性糊料形成，Ca，Sr，Ti，Zn和稀土金属或涂覆有其氧化物的颗粒，并且内部电极层在具有10 SP-14 SP的降低的烧结气氛中进行热处理至10 -18 的氧分压，从而得到层压陶瓷电容器1.版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2004066469A Manufacturing method for ceramic layer and manufacturing method for laminated electronic component 审中-公开
公开(公告)号：JP2004066469A
公开(公告)日：2004-03-04
申请号：JP2002224898
申请日：2002-08-01
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社
发明人： CHAZONO KOICHI , MIZUNO YOICHI , SAITO KENJI , INAI MASAYUKI , TANADA ATSUSHI
IPC分类号： B28B1/30 , C25D13/00 , C25D13/12 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for a ceramic layer, which enables the obtainment of the ceramic layer uniform in thickness and particle density. SOLUTION: In a process for depositing ceramic particles in a first solution S1 on the surface of a plate-shaped electrode 3 by electrophoresis, ultrasonic vibrations are simultaneously imparted to the first solution S1. Thus, the dispersed state of the ceramic particles can be well maintained by suppressing the occurrence of sedimentation and flocculation of the ceramic particles in the first solution S1, and the ceramic layer CL uniform in the thickness and the particle density can be formed by depositing the ceramic particles in the first solution S1 on the surface of the electrode 3 in a monodispersed state. COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2008078593A Multilayer ceramic capacitor and manufacturing method therefor 审中-公开
标题翻译：多层陶瓷电容器及其制造方法
公开(公告)号：JP2008078593A
公开(公告)日：2008-04-03
申请号：JP2006284356
申请日：2006-09-20
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社
发明人： TANIGUCHI KATSUYA , MIZUNO YOICHI
IPC分类号： H01G4/12 , C04B35/46 , H01G4/30
CPC分类号： H01G4/1227 , B82Y30/00 , C04B35/4682 , C04B2235/3206 , C04B2235/3224 , C04B2235/3265 , C04B2235/3418 , C04B2235/5445 , C04B2235/5454 , C04B2235/656 , C04B2235/781 , C04B2235/785 , H01G4/30 , Y10T29/435
摘要： PROBLEM TO BE SOLVED: To provide a highly reliable multilayer ceramic capacitor that maintains high insulation quality and proper lifetime characteristics even under high voltage, and to provide a manufacturing method therefor. SOLUTION: A multilayer ceramic capacitor 1 comprises a ceramic laminate 2 having an a substantially rectangular solid shape; internal electrodes 4 that are formed so that they face via a dielectric ceramics 3 in the ceramic laminate 2 and that they alternately extend toward the opposite-end faces; and external electrodes 5 that are formed on both end faces of the ceramic laminate 2 and are electrically connected to each of the internal electrodes 4, extending toward the end faces. The ratio of the average diameter D of grains constituting the dielectric ceramics 3 to the average particle diameter d of a material powder of perovskite dielectric is set to 1.2≤D/d≤1.5, so that the average diameter of the grains is 40 to 150 nm. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供即使在高电压下也能保持高绝缘质量和适当寿命特性的高度可靠的多层陶瓷电容器，并提供其制造方法。解决方案：多层陶瓷电容器1包括具有基本上矩形的实心形状的陶瓷层压体2; 形成为通过陶瓷层叠体2中的电介质陶瓷3而形成的内部电极4，并且朝向相对端面交替地延伸; 和外部电极5，其形成在陶瓷层叠体2的两个端面上，并且电连接到每个内部电极4，朝向端面延伸。构成电介质陶瓷3的晶粒的平均直径D与钙钛矿电介质的材料粉末的平均粒径d的比率设定为1.2≤D/d≤1.5，使得晶粒的平均直径为40〜150 纳米。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2015053530A 積層セラミックコンデンサ及びその製造方法有权
标题翻译：多层陶瓷电容器及其制造方法
公开(公告)号：JP2015053530A
公开(公告)日：2015-03-19
申请号：JP2014252934
申请日：2014-12-15
申请人：太陽誘電株式会社 , Taiyo Yuden Co Ltd
发明人： MORITA KOICHIRO , MIZUNO YOICHI
IPC分类号： H01G4/12 , H01G4/30
摘要：【課題】セラミック誘電体層を薄層化した場合でも、高い誘電率でかつ良好な温度特性を有する積層セラミックコンデンサ及びそのような積層セラミックコンデンサの製造方法を提供する。【解決手段】セラミック誘電体層と導体層とを交互に積層してなる積層セラミックコンデンサであって、コアシェル構造を有するコアシェル粒子と、均一に固溶が進行した均一固溶粒子とが混在するようにセラミック誘電体層を焼成する。セラミック誘電体層を構成する焼結体粒子全体に対してコアシェル粒子の面積比率が5〜15%であり、コアシェル粒子と均一固溶粒子とをあわせた焼結体粒子全体の平均粒径が0.3〜0.5μmであることを特徴とする。【選択図】図1
摘要翻译：要解决的问题：即使当陶瓷电介质层的厚度减小时，提供一种介电常数高且具有良好温度特性的多层陶瓷电容器。以及制造这种多层陶瓷电容器的方法。解决方案：通过交替层叠陶瓷电介质层和导体层来获得多层陶瓷电容器。将陶瓷电介质层烧成，使其中具有核 - 壳结构的核 - 壳粒子和固体溶解均匀进行的均匀的固溶颗粒混合。核 - 壳粒子与构成陶瓷电介质层的烧结体粒子的总面积比为5〜15％，将核 - 壳粒子和均匀固溶体组合的总烧结体粒子的平均粒径颗粒为0.3-0.5μm。

8. 发明专利

JP2014029978A Multilayer ceramic capacitor 有权
标题翻译：多层陶瓷电容器
公开(公告)号：JP2014029978A
公开(公告)日：2014-02-13
申请号：JP2012249552
申请日：2012-11-13
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社
发明人： TERAOKA HIDEYA , MORITA KOICHIRO , MIZUNO YOICHI
IPC分类号： H01G4/12 , H01G4/30
CPC分类号： H01G4/1227 , H01G4/1209 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide a multilayer ceramic capacitor which is excellent in reliability of insulation while achieving a higher dielectric constant and slimming down the thickness in order to fulfill the needs for the reduction in size and the increase in capacity.SOLUTION: A multilayer ceramic capacitor comprises: a laminate arranged by alternately laminating a dielectric layer and an internal electrode layer; and cover layers formed as top and bottom outermost layers in the lamination direction of the laminate. The dielectric layer is composed of a sintered compact including barium titanate and a silicon compound. The dielectric layer includes a fresnoite phase having an average grain diameter of 1 μm or smaller.
摘要翻译：要解决的问题：提供一种多层陶瓷电容器，其具有优异的绝缘可靠性，同时实现更高的介电常数和减小厚度，以满足减小尺寸和增加容量的需要。解决方案：多层陶瓷电容器包括：通过交替层叠电介质层和内部电极层布置的层压体; 以及在层叠体的层压方向上形成为顶部和底部最外层的覆盖层。电介质层由包括钛酸钡和硅化合物的烧结体构成。电介质层包括平均粒径为1μm以下的弗氏析烯相。

9. 发明专利

JP2006168320A Manufacturing method of sheet for electronic part or laminated electronic part 审中-公开
标题翻译：电子部件或层压电子部件的制造方法
公开(公告)号：JP2006168320A
公开(公告)日：2006-06-29
申请号：JP2004367800
申请日：2004-12-20
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社
发明人： MORITA KOICHIRO , NAKAMURA TOMOAKI , MIZUNO YOICHI , KISHI HIROSHI
IPC分类号： B28B11/00 , B28B1/30 , H01G4/12 , H01G4/30 , H01G13/00
摘要： PROBLEM TO BE SOLVED: To obtain a sheet showing no sheet attack and having thin and uniform thickness without a defect in case of manufacturing a sheet for an electronic part such as MLCC. SOLUTION: The manufacturing method of the sheet for the electronic part comprises a process of preparing slurry containing ceramic powder or metallic powder, a hydrophobic organic binder and an organic solvent, and a process of supplying the obtained slurry to the surface of water, spreading the slurry over the surface of water by surface tension and evaporating the organic solvent to form a green sheet on the surface of water. The manufacturing method of the sheet for the laminated electronic part further comprises a process of transferring the green sheet on the surface of water to a carrier, a process of drying the transferred green sheet, and a process of laminating the obtained sheet. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：在制造诸如MLCC的电子部件用片材的情况下，获得不显示片材侵蚀并且具有薄而均匀的厚度的片材而没有缺陷的片材。解决方案：用于电子部件的片材的制造方法包括制备含有陶瓷粉末或金属粉末，疏水性有机粘合剂和有机溶剂的浆料的方法，以及将获得的浆料供应到水的表面的方法，通过表面张力将浆料铺展在水面上，蒸发有机溶剂，在水面上形成生片。层叠电子部件用片材的制造方法还包括将水面上的生片转移到载体上的工序，干燥转印的生片的工序和层压所得片材的工序。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2014072203A Multilayer ceramic capacitor and method for manufacturing the same 有权
标题翻译：多层陶瓷电容器及其制造方法
公开(公告)号：JP2014072203A
公开(公告)日：2014-04-21
申请号：JP2012214391
申请日：2012-09-27
申请人： Taiyo Yuden Co Ltd , 太陽誘電株式会社
发明人： MORITA KOICHIRO , MIZUNO YOICHI
IPC分类号： H01G4/12 , C04B35/468 , H01G4/30
CPC分类号： H01G4/12 , H01G4/012 , H01G4/1227 , H01G4/20 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide: a multilayer ceramic capacitor high in dielectric constant and having favorable temperature characteristics, even when a ceramic dielectric layer is reduced in thickness; and a method for manufacturing such the multilayer ceramic capacitor.SOLUTION: The multilayer ceramic capacitor is obtained by alternately laminating a ceramic dielectric layer and a conductor layer. The ceramic dielectric layer is baked so that core-shell particles having a core-shell structure and uniform solid-solution particles in which solid solubilization progresses uniformly are mixed therein. An area ratio of the core-shell particles to the total of sintered body particles constituting the ceramic dielectric layer is 5-15%, and an average particle size of the total sintered body particles combining the core-shell particles and the uniform solid-solution particles is 0.3-0.5 μm.
摘要翻译：要解决的问题：即使当陶瓷电介质层的厚度减小时，提供一种介电常数高且具有良好温度特性的多层陶瓷电容器。以及制造这种多层陶瓷电容器的方法。解决方案：通过交替层叠陶瓷电介质层和导体层来获得多层陶瓷电容器。将陶瓷电介质层进行烘烤，使其中具有核 - 壳结构的核 - 壳粒子和固体溶解均匀进行的均匀的固溶颗粒混合。核 - 壳粒子与构成陶瓷电介质层的烧结体粒子的总面积比为5〜15％，将核 - 壳粒子和均匀固溶体组合的总烧结体粒子的平均粒径颗粒为0.3-0.5μm。

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