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    • 91. 发明专利
    • Dielectric ceramic composition, laminated porcelain capacitor, and method for producing the capacitor
    • 电介质陶瓷组合物,层压型电容器及其制造方法
    • JP2005263508A
    • 2005-09-29
    • JP2004073856
    • 2004-03-16
    • Tdk CorpTdk株式会社
    • IGUCHI TOSHIHIROHARA HARUYAITO KAZUESATO AKIRASATO SHIGEKIKOJIMA TAKASHI
    • C04B35/46H01B3/12H01G4/12H01G4/30
    • PROBLEM TO BE SOLVED: To provide a dielectric porcelain composition which satisfies X8R characteristics and has a long average lifetime until failure and/or a small dispersion of such lifetimes and to provide a laminated ceramic capacitor. SOLUTION: The dielectric porcelain composition comprises barium titanate as the principal component, a first subcomponent (at least one member of the oxides of Mg, Ca, Ba, and Sr), a second subcomponent (an oxide containing 1 mol of Si atoms in 1 mol), a third subcomponent (at least one member of the oxides of V, Mo, and W), a fourth subcomponent [R 1 oxide (wherein R 1 is at least one member selected from among Sc, Er, Tm, Yb, and Lu)], a fifth subcomponent [R 2 oxide (wherein R 2 is at least one member selected from among Y, Dy, Ho, Tb, Gd, and Eu)], a sixth subcomponent (at least one member selected from the oxides of Mn and Cr), and a seventh subcomponent (at least one member selected from calcium zirconate and a mixture of a Ca oxide and a Zr oxide), provided that the number of moles of the Si atoms in the second subcomponent is specified based on the total number of moles of the atoms in all the subcomponents. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种满足X8R特性并且具有长的平均寿命直到破坏和/或这种寿命的小分散并且提供层压陶瓷电容器的电介质瓷组合物。 电解瓷组合物包含钛酸钡作为主要成分,第一副成分(Mg,Ca,Ba和Sr的氧化物中的至少一种),第二副成分(含有1摩尔Si的氧化物 原子为1摩尔),第三副成分(V,Mo和W的氧化物中的至少一种),第四副成分[R SP SP 1] / SP >至少一种选自Sc,Er,Tm,Yb和Lu中的一个)],第五副成分[R SPM 2 氧化物(其中R 2 至少为 选自Y,Dy,Ho,Tb,Gd和Eu中的一种]],第六副成分(选自Mn和Cr的氧化物中的至少一种)和第七副成分(至少一种选自钙 锆酸盐和氧化钙和氧化锆的混合物),条件是第二次要组分中的Si原子的摩尔数基于所有子组分中原子的总摩尔数来确定。 版权所有(C)2005,JPO&NCIPI
    • 95. 发明专利
    • Method for producing ceramic slurry, green sheet, and multilayer ceramic component
    • 陶瓷浆料生产方法,绿板和多层陶瓷组件
    • JP2005089200A
    • 2005-04-07
    • JP2003320952
    • 2003-09-12
    • Tdk CorpTdk株式会社
    • KOBAYASHI HISASHISATO SHIGEKI
    • C04B35/622B32B18/00H01G4/12
    • C04B35/62635B32B18/00C04B35/4682C04B35/62625C04B35/6263C04B35/63C04B2235/3206C04B2235/3215C04B2235/3236C04B2235/3239C04B2235/3241C04B2235/3436C04B2235/3454H01G4/12Y10T428/252
    • PROBLEM TO BE SOLVED: To provide a method for producing ceramic slurry which smoothes the surface of a green sheet and from which the green sheet having sufficient strength and excellent in workability such as peelability can be obtained, the green sheet produced by using the slurry obtained by the method, and a multilayer ceramic component produced by using the green sheets. SOLUTION: The method for producing the ceramic slurry containing at least a ceramic powder and a binder resin solution comprises preparing a preliminary slurry by subjecting the ceramic powder and lacquer to be added in a pre-stage, being a portion of the binder resin solution, to high pressure dispersion treatment so that the shear rate falls within a range of 1×10 7 to 1×10 8 (1/sec), and then adding at least lacquer to be added in a post-stage, not subjected to the high pressure dispersion treatment, to the preliminary slurry subjected to the high pressure dispersion treatment. COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决问题的方法:提供一种使生片表面平滑化的陶瓷浆料的制造方法,能够得到具有足够的强度和可剥离性的加工性优异的生片,通过使用生产的生片 通过该方法获得的浆料,以及通过使用生片制造的多层陶瓷成分。 解决方案:至少含有陶瓷粉末和粘合剂树脂溶液的陶瓷浆料的制造方法包括通过在陶瓷粉末和预涂料中加入陶瓷粉末和漆,作为粘合剂的一部分来制备预备浆料 树脂溶液进行高压分散处理,使得剪切速率落入1×10 7 <1 / sec> 1×10 8 (1 / sec)的范围内,然后加入 至少要在未进行高压分散处理的后期添加的漆到经过高压分散处理的预备浆料中。 版权所有(C)2005,JPO&NCIPI
    • 96. 发明专利
    • Method of manufacturing laminate unit for laminated electronic component and method of manufacturing laminate unit set for laminated electronic component containing at least one laminate unit
    • 层压电子元件的层压单元的制造方法以及制造包含至少一个层压单元的层压电子元件的层压单元组的方法
    • JP2005079229A
    • 2005-03-24
    • JP2003305923
    • 2003-08-29
    • Tdk CorpTdk株式会社
    • MUROSAWA SHOGOSATO SHIGEKISUZUKI TSUNEO
    • H01G4/12H01G4/30
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a laminate unit by which the deformation and breakage of a ceramic green sheet (hereinafter, called as green sheet) can be prevented and the solvent contained in electrode paste can be prevented from soaking into the green sheet. SOLUTION: The method of manufacturing laminate unit includes: a step of forming the green sheet 2 on a first supporting sheet 1; a step of forming a releasable layer 5, an electrode layer 6, and a spacer layer 7 on a second supporting sheet; and a step of forming an adhesive layer 10 on the surface of a third supporting sheet. The method also includes: a step of transferring the adhesive layer 10 to the electrode layer 6 and spacer layer 7 by closely adhering the layer 10 to the layers 6 and 7, and pressing the layer 10 against the layers 6 and 7; a step of peeling the third supporting sheet from the adhesive layer 10; and a step of adhering an intermediate sheet having Gurley permeability of COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种制造层压单元的方法,通过该方法可以防止陶瓷生片(以下称为生片)的变形和断裂,并且可以防止电极糊中包含的溶剂 浸泡在绿板上。 解决方案:制造叠层单元的方法包括:在第一支撑片1上形成生片2的步骤; 在第二支撑片上形成可剥离层5,电极层6和间隔层7的步骤; 以及在第三支撑片的表面上形成粘合剂层10的步骤。 该方法还包括:通过将层10紧密地粘附到层6和7并将层10压靠在层6和7上而将粘合剂层10转移到电极层6和间隔层7的步骤; 从粘合剂层10剥离第三支撑片的步骤; 以及将具有<10,000s / 50ml的Gurley渗透率的中间片粘附到粘合剂层10的步骤。该方法还包括:形成层压辊的步骤,其中可剥离层5,电极层6,间隔件 层7,粘合剂层10和中间片彼此层压在第二支撑片上; 通过从层压辊拉出层压体从粘合剂层10剥离中间片的步骤; 以及通过将形成在第一支撑片1上的生片2紧密地粘合,压接和粘合到层叠体的粘合剂层10上而将第一支撑片1从生片2剥离的步骤。 版权所有(C)2005,JPO&NCIPI
    • 97. 发明专利
    • Method of manufacturing laminate unit for laminated electronic component and method of manufacturing laminate unit set for laminated electronic component containing at least one laminate unit
    • 层压电子元件的层压单元的制造方法以及制造包含至少一个层压单元的层压电子元件的层压单元组的方法
    • JP2005079227A
    • 2005-03-24
    • JP2003305921
    • 2003-08-29
    • Tdk CorpTdk株式会社
    • MUROSAWA SHOGOSATO SHIGEKISUZUKI TSUNEO
    • H01G4/12H01G4/30
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a laminate unit for laminated electronic component by which the deformation and breakage of a ceramic green sheet can be prevented and a solvent contained in electrode paste can be prevented from soaking in the ceramic green sheet. SOLUTION: The method of manufacturing laminate unit includes: a step of forming the ceramic green sheet 2 on the surface of a first supporting sheet 1; a step of forming a releasable layer 5, an electrode layer 6, and a spacer layer 7 on the surface of a second supporting sheet; and a step for forming an adhesive layer 10 on the surface of a third supporting sheet. The method also includes: a step of transferring the adhesive layer 10 to the surfaces of the electrode layer 6 and spacer layer 7 by closely adhering the layer 10 to the layers 6 and 7, and pressing the layer 10 against the layers 6 and 7; a step of peeling the third supporting sheet from the adhesive layer 10; and a step of adhering an intermediate sheet having the substantially same surface physical property as that of the third supporting sheet to the surface of the adhesive layer 10. The method further also includes: a step of peeling the intermediate sheet from the adhesive layer 10 of a laminate formed by laminating the releasable layer 5, electrode layer 6, spacer layer 7, adhesive layer 10, and intermediate sheet upon the surface of the second supporting sheet; a step of bonding the ceramic green sheet 2 on the surface of the first supporting sheet 1 and the adhesive layer 10 of the laminate to each other; and a step of peeling the first supporting sheet 1 from the ceramic green sheet 2. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种制造用于层压电子部件的层叠单元的方法,通过该方法可以防止陶瓷生片的变形和断裂,并且可以防止包含在电极浆料中的溶剂浸入陶瓷中 绿页。 解决方案:制造叠层单元的方法包括:在第一支撑片1的表面上形成陶瓷生片2的步骤; 在第二支撑片的表面上形成可释放层5,电极层6和间隔层7的步骤; 以及在第三支撑片的表面上形成粘合剂层10的步骤。 该方法还包括:通过将层10紧密地粘附到层6和7上并将层10压靠在层6和7上,将粘合剂层10转移到电极层6和间隔层7的表面的步骤; 从粘合剂层10剥离第三支撑片的步骤; 以及将具有与第三支撑片材基本相同的表面物理性质的中间片材粘合到粘合剂层10的表面的步骤。该方法还包括:将中间片材从粘合剂层10剥离的步骤 通过在第二支撑片的表面上层压可剥离层5,电极层6,间隔层7,粘合剂层10和中间片形成的层压体; 将陶瓷生片2与第一支撑片1的表面和层叠体的粘合层10接合的工序; 以及从陶瓷生片2剥离第一支撑片材1的步骤。(C)2005,JPO&NCIPI
    • 98. 发明专利
    • Conductive particle, conductive paste, electronic part, laminated ceramic capacitor and manufacturing method of the same
    • 导电颗粒,导电胶,电子部件,层压陶瓷电容器及其制造方法
    • JP2004319435A
    • 2004-11-11
    • JP2004036417
    • 2004-02-13
    • Tdk CorpTdk株式会社
    • SUZUKI KAZUTAKASATO SHIGEKI
    • B22F1/00H01B1/22H01B5/00H01G4/12
    • PROBLEM TO BE SOLVED: To provide electronic parts such as a laminated ceramic capacitor capable of restraining particle growth of Ni particles at a baking process even in case each thickness of an inner electrode layer is made thin, and capable of effectively restraining degradation of capacitance by preventing the grain from becoming spherical and preventing the electrode from breakage, and to provide a manufacturing method of the same, and conductive particles as well as conductive paste used for the manufacturing method.
      SOLUTION: Of the conductive particles composed of a core part 51 with nickel as a main component and a coating layer 52 covering the surroundings of the core part 51, the coating layer 51 is constituted of metal or an alloy having as a main component at least one kind of element selected from ruthenium (Ru), rhodium (Rh), rhenium (Re), platinum (Pt), iridium (Ir), and osmium (Os). The inner electrode layer obtained from the conductive particles is composed of a first metal part with the nickel as a main component and a second metal part having at least one kind of element selected from ruthenium (Ru), rhodium (Rh), rhenium (Re), platinum (Pt), iridium (Ir), and osmium (Os) as a main component.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:即使在内部电极层的厚度变薄的情况下,即使在能够有效地抑制劣化的情况下,也能够在烘烤处理中提供能够抑制Ni粒子生长的层叠陶瓷电容器等电子部件 通过防止晶粒变成球形并防止电极断裂,并提供其制造方法,导电颗粒以及用于制造方法的导电浆料。 解决方案:在由以镍为主要成分的芯部51和覆盖芯部51的周围的涂层52构成的导电性粒子中,被覆层51由以主体为主体的金属或合金构成 选自钌(Ru),铑(Rh),铼(Re),铂(Pt),铱(Ir)和锇(Os)中的至少一种元素。 由导电性粒子得到的内部电极层由以镍为主要成分的第一金属部分和具有选自钌(Ru),铑(Rh),铼(Re)的至少一种元素的第二金属部分构成 ),铂(Pt),铱(Ir)和锇(Os)为主要成分。 版权所有(C)2005,JPO&NCIPI
    • 100. 发明专利
    • Method for manufacturing laminate unit for laminate ceramic electronic parts
    • JP2004304007A
    • 2004-10-28
    • JP2003096205
    • 2003-03-31
    • Tdk CorpTdk株式会社
    • ISHII SOICHIROSATO SHIGEKI
    • H01G4/12H01G4/30
    • PROBLEM TO BE SOLVED: To prevent a ceramic green sheet from being deformed and damaged and to realize the prevention of a solvent in an electrode paste from being soaked into the ceramic green sheet. SOLUTION: The ceramic green sheet 2 is formed on the surface of a first support sheet. A release layer 5 is formed on the surface of a second support sheet 4. An electrode layer 6 is formed in a predetermined pattern on the surface of the release layer. A spacer layer 7 is formed in a pattern complementary with the electrode layer. An adhesion layer 10 is formed on the surface of a third support sheet. The adhesion layer formed on the third support sheet is transferred to the surfaces of the electrode layer and the spacer layer, and the third support sheet is released from the adhesion layer. And, the surfaces of the electrode layer and the spacer layer formed on the surface of the second support sheet are brought into contact with the surface of the adhesion layer, pressurized and adhered, to manufacture a laminate unit in which the ceramic green sheet, the electrode layer and the spacer layer are laminated. The electrode layer and the spacer layer are formed on the surface of the release layer to satisfy 1≤ts/te COPYRIGHT: (C)2005,JPO&NCIPI