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    Ceramic electronic component
    1.
    发明授权
    Ceramic electronic component 有权

    公开(公告)号：US11488780B2

    公开(公告)日：2022-11-01

    申请号：US17463759

    申请日：2021-09-01

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Tetsuya Kisumi

    IPC: H01G4/232 ,  H01G4/30 ,  H01G4/12

    Abstract: A ceramic electronic component includes an outer electrode including a baked electrode layer including an electrically conductive metal and glass, and a plating film on a surface of the baked electrode layer. The baked electrode layer includes metal portions made of the electrically conductive metal and glass portions made of the glass and distributed so as to be in contact with the metal portions. Cracks starting from boundaries between the metal portions and the glass portions and extending toward the inner side of the glass portions are provided in the glass portions.

    Ceramic electronic component including coating layer
    2.
    发明授权
    Ceramic electronic component including coating layer 有权
    陶瓷电子元件包括涂层

    公开(公告)号：US09232673B2

    公开(公告)日：2016-01-05

    申请号：US13755197

    申请日：2013-01-31

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Yasuhiro Nishisaka ,  Yukio Sanada ,  Tetsuya Kisumi ,  Toshiki Nagamoto

    IPC: H01G4/005 ,  H01G4/30 ,  H01G4/232 ,  H05K7/00 ,  H02N2/00 ,  H01C7/00 ,  H01C1/148 ,  H01C7/18 ,  H01F17/00 ,  H01L41/047 ,  H01F27/29

    CPC classification number: H05K7/00 ,  H01C1/148 ,  H01C7/008 ,  H01C7/18 ,  H01F17/0006 ,  H01F27/292 ,  H01G4/005 ,  H01G4/2325 ,  H01G4/30 ,  H01L41/0472 ,  H02N2/00

    Abstract: A ceramic electronic component includes a ceramic body; a plurality of internal electrodes provided in the ceramic body and including ends exposed on a surface of the ceramic body; a coating layer covering a surface portion of the ceramic body on which the internal electrodes are exposed, the coating layer being made of a glass or resin medium in which metal powder particles are dispersed; and an electrode terminal provided directly on the coating layer and including a plating film. The metal powder particles define conduction paths electrically connecting the internal electrodes with the electrode terminal and have an elongated shape in cross section along a thickness direction of the coating layer. The metal powder particles defining the conduction paths have a maximum diameter not smaller than the thickness of the coating layer.

    Abstract translation: 陶瓷电子部件包括陶瓷体; 多个内部电极，设置在所述陶瓷体中，并且包括露出在所述陶瓷体的表面上的端部; 覆盖内部电极露出的陶瓷体的表面部分的涂层，所述涂层由分散有金属粉末颗粒的玻璃或树脂介质制成; 以及直接设置在涂层上并包括镀膜的电极端子。 金属粉末颗粒限定将内部电极与电极端子电连接并沿着涂层的厚度方向具有细长形状的导电路径。 限定导电路径的金属粉末颗粒具有不小于涂层厚度的最大直径。

    Multilayer ceramic capacitor and manufacturing method therefor
    3.
    发明授权
    Multilayer ceramic capacitor and manufacturing method therefor 有权

    公开(公告)号：US09842698B2

    公开(公告)日：2017-12-12

    申请号：US14919044

    申请日：2015-10-21

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Tetsuya Kisumi

    IPC: H01G4/232 ,  H01G4/30 ,  H01G4/12 ,  H01G4/008 ,  H01G4/012 ,  H01G4/248

    CPC classification number: H01G4/2325 ,  H01G4/0085 ,  H01G4/012 ,  H01G4/12 ,  H01G4/248 ,  H01G4/30

    Abstract: A multilayer ceramic capacitor having a multilayer ceramic element with internal electrodes opposed to each other and dielectric ceramic layers interposed therebetween, and external electrodes on a surface of the multilayer ceramic element and electrically connected to the internal electrodes. The external electrodes contain a first non-precious metal as a first conductive component, and glass containing BaO and/or SrO, where a total content of the BaO and/or the SrO is 34 mol % or more. The internal electrodes have a second non-precious metal different from the first non-precious metal included in the external electrodes. A glass layer is formed at interfacial parts between the ceramic layers and the external electrodes, and a diffusion length thereof is within a range of 1 μm to 5 μm from joint interfaces between the external electrodes and the internal electrodes at the joints.

    Ceramic electronic component and method for producing the same
    4.
    发明授权
    Ceramic electronic component and method for producing the same 有权
    陶瓷电子元件及其制造方法

    公开(公告)号：US09275804B2

    公开(公告)日：2016-03-01

    申请号：US13755232

    申请日：2013-01-31

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Yasuhiro Nishisaka ,  Yukio Sanada ,  Tetsuya Kisumi ,  Toshiki Nagamoto ,  Masato Kimura ,  Seiji Koga

    IPC: H01G4/30 ,  H01G4/232 ,  H01G13/00

    CPC classification number: H01G13/006 ,  H01G4/2325 ,  H01G4/30 ,  H01G4/306

    Abstract: A ceramic electronic component includes a ceramic body, a glass coating layer, and an electrode terminal. The ceramic body includes a plurality of internal electrodes whose ends are exposed on the surface of the ceramic body. The glass coating layer covers a portion of the ceramic body on which the internal electrodes are exposed. The electrode terminal is provided directly on the glass coating layer. The electrode terminal includes a plating film. The glass coating layer is made of a glass medium in which metal powder particles are dispersed. The metal powder particles define conduction paths that electrically connect the internal electrodes with the electrode terminal.

    Abstract translation: 陶瓷电子部件包括陶瓷体，玻璃涂层和电极端子。 陶瓷体包括多个内部电极，其端部暴露在陶瓷体的表面上。 玻璃涂层覆盖内部电极露出的陶瓷体的一部分。 电极端子直接设置在玻璃涂层上。 电极端子包括镀膜。 玻璃涂层由金属粉末颗粒分散的玻璃介质制成。 金属粉末颗粒限定将内部电极与电极端子电连接的传导路径。

    Ceramic electronic component
    5.
    发明授权
    Ceramic electronic component 有权

    公开(公告)号：US09667174B2

    公开(公告)日：2017-05-30

    申请号：US14191480

    申请日：2014-02-27

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Yasuhiro Nishisaka ,  Satoshi Matsuno ,  Tetsuya Kisumi ,  Yoko Okabe

    IPC: H01L41/053 ,  H02N2/00 ,  H01F17/00 ,  H01L41/047 ,  H01C7/00

    CPC classification number: H02N2/00 ,  H01C7/008 ,  H01F17/0013 ,  H01L41/0471 ,  H01L41/0472 ,  H01L41/0533

    Abstract: A ceramic electronic component includes a ceramic body, inner electrodes, a glass coating layer, and outer electrodes. The glass coating layer extends from an exposed portion of one of the inner electrodes at a first end surface to a first principal surface. The outer electrodes are each constituted by a plating film disposed directly above the glass coating layer. The glass coating layer includes a glass medium and metal powder particles that define conductive paths. The metal powder particles have an elongated or substantially elongated shape and are dispersed in the glass medium. The dimension of a portion of the glass coating layer located on the first principal surface in the length direction, is larger than that of a portion of the glass coating layer located on the first end surface in the thickness direction.

    Ceramic electronic component and glass paste
    6.
    发明授权
    Ceramic electronic component and glass paste 有权
    陶瓷电子元件和玻璃糊

    公开(公告)号：US09328014B2

    公开(公告)日：2016-05-03

    申请号：US14191481

    申请日：2014-02-27

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Yasuhiro Nishisaka ,  Satoshi Matsuno ,  Tetsuya Kisumi ,  Yoko Okabe

    IPC: H01G4/30 ,  C03C8/18 ,  H01G4/228 ,  H01L41/047 ,  H01L41/053 ,  H01C7/00 ,  H01G4/232

    CPC classification number: C03C8/18 ,  H01C7/008 ,  H01G4/228 ,  H01G4/232 ,  H01G4/30 ,  H01L41/0471 ,  H01L41/0533

    Abstract: A ceramic electronic component includes a ceramic body, a glass coating layer, and terminal electrodes. End portions of inner electrodes are exposed at a surface of the ceramic body. The glass coating layer covers portions of the ceramic body in which the inner electrodes are exposed. The terminal electrodes are disposed directly above the glass coating layer and are each constituted by a plating film. The glass coating layer includes a glass medium and metal powder particles that are dispersed in the glass medium and define conductive paths which electrically connect the inner electrodes and the terminal electrodes. The metal powder particles include first metal powder particles and second metal powder particles. The first metal powder particles are flat or substantially flat powder particles. The second metal powder particles are spherical or substantially spherical powder particles.

    Abstract translation: 陶瓷电子部件包括陶瓷体，玻璃涂层和端子电极。 内部电极的端部在陶瓷体的表面露出。 玻璃涂层覆盖内部电极露出的陶瓷体的部分。 端子电极直接设置在玻璃涂层的上方，并且各自由镀膜构成。 玻璃涂层包括玻璃介质和分散在玻璃介质中的金属粉末颗粒，并且限定电连接内部电极和端子电极的导电路径。 金属粉末颗粒包括第一金属粉末颗粒和第二金属粉末颗粒。 第一金属粉末颗粒是平坦或基本平坦的粉末颗粒。 第二金属粉末颗粒是球形或基本上球形的粉末颗粒。

    CONDUCTIVE PASTE ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT
    7.
    发明申请
    CONDUCTIVE PASTE ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT 有权
    导电胶片电子元件及制造电子元件的方法

    公开(公告)号：US20140347783A1

    公开(公告)日：2014-11-27

    申请号：US14457167

    申请日：2014-08-12

    Applicant: MURATA MANUFACTURING CO., LTD.

    Inventor： Tetsuya Kisumi ,  Toshiki Nagamoto ,  Yasuhiro Nishisaka ,  Yoko Okabe

    IPC: H01G4/008 ,  H01G4/012 ,  H01B1/16 ,  H01G4/30

    CPC classification number: H01G4/30 ,  H01B1/16 ,  H01B1/22 ,  H01G4/0085 ,  H01G4/012 ,  H01G4/129 ,  H01G4/232 ,  H01G4/2325

    Abstract: A conductive paste includes a metal powder, a glass frit containing a Si component, and an organic vehicle. The metal powder has a flat shape with a ratio a/b of a maximum length a to a maximum thickness b of 2.5 or more, a molar content of SiO2 in the glass frit is 36 to 59 percent by mole, and a volume content of the glass frit is 6 to 11 percent by volume. In external electrodes of a multilayer ceramic capacitor using this conductive paste, the molar content of SiO2 in a glass phase is 38 to 60 percent by mole, and an occupation rate of the glass phase is 30% to 60% on the area ratio, and a maximum length c of the glass phase is 5 μm or less.

    Abstract translation: 导电糊包括金属粉末，含有Si成分的玻璃料和有机载体。 金属粉末具有平均形状，a / b的最大长度a与最大厚度b的比值为2.5以上，玻璃料中的SiO 2摩尔含量为36〜59摩尔％，体积含量 玻璃料为6〜11体积％。 在使用该导电性糊料的多层陶瓷电容器的外部电极中，玻璃相中的SiO 2的摩尔含量为38〜60摩尔％，玻璃相的占有率相对于面积比为30〜60％， 玻璃相的最大长度c为5μm以下。

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