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    ELECTRONIC COMPONENT
    1.
    发明公开
    ELECTRONIC COMPONENT 审中-公开

    公开(公告)号：US20240274366A1

    公开(公告)日：2024-08-15

    申请号：US18637610

    申请日：2024-04-17

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Daisuke HAMADA

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

    CPC classification number: H01G4/30 ,  H01G4/008 ,  H01G4/012 ,  H01G4/1227

    Abstract: An electronic component includes first solid solution layer in which a first metal component as a primary component defining a solid solution with a second metal component is located at an interface with a dielectric layer in an end region nearer than a position that is about 5% or more and about 20% or less of a length-direction distance or about 10 μm or more and about 50 μm or less from an end surface of an extended portion of the inner electrode layer to the end surface, and a second solid solution layer in which the first metal component defining a solid solution with the second metal component and with a higher concentration than a concentration in the first solid solution layer is located at an interface with the dielectric layer in a central region of the facing portion in a length direction and a width direction.

    MULTILAYER CERAMIC CAPACITOR
    3.
    发明申请
    MULTILAYER CERAMIC CAPACITOR 有权

    公开(公告)号：US20220301773A1

    公开(公告)日：2022-09-22

    申请号：US17693712

    申请日：2022-03-14

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Daisuke HAMADA

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

    Abstract: A multilayer ceramic capacitor includes first and second main surfaces opposite to each other in a thickness direction, first and second side surfaces opposite to each other in a width direction, first and second end surfaces opposite to each other in a longitudinal direction, an element body including dielectric layers and internal electrode layers stacked in the thickness direction, and a pair of external electrodes on the first and second end surfaces and electrically connected to the internal electrode layers, in which the dielectric layers include, as a main component, a perovskite oxide including barium and titanium, and the dielectric layers include an inner portion that is in contact with the internal electrode layer and includes an interface layer including a non-perovskite oxide including tin, barium, and titanium.

    MULTILAYER CERAMIC CAPACITOR
    4.
    发明公开
    MULTILAYER CERAMIC CAPACITOR 审中-公开

    公开(公告)号：US20240029955A1

    公开(公告)日：2024-01-25

    申请号：US18373343

    申请日：2023-09-27

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Toru WAKAMATSU ,  Daisuke HAMADA

    IPC: H01G4/008 ,  H01G4/30

    CPC classification number: H01G4/0085 ,  H01G4/30 ,  H01G4/1227

    Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Cu and Sn, and the second inner electrodes have a second metal composition including Cu. The second metal composition of the second inner electrodes includes Cu as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru, which have standard electrode potentials higher than that of Cu, as an additive component.

    ELECTRONIC COMPONENT
    6.
    发明申请
    ELECTRONIC COMPONENT 审中-公开

    公开(公告)号：US20200066446A1

    公开(公告)日：2020-02-27

    申请号：US16547641

    申请日：2019-08-22

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Daiki FUKUNAGA ,  Hideaki TANAKA ,  Masahiro WAKASHIMA ,  Daisuke HAMADA ,  Hironori TSUTSUMI ,  Satoshi MAENO ,  Ryota ASO ,  Koji MORIYAMA ,  Akihiro TSURU

    IPC: H01G4/12 ,  H01G4/012 ,  H01G4/224 ,  H01G4/008 ,  H01G4/232

    Abstract: An electronic component includes a laminate in which a plurality of dielectric layers and a plurality of internal electrodes are alternately laminated and external electrodes electrically connected to the internal electrodes. A side margin portion as a region in which the plurality of internal electrodes is not provided when a section of the laminate having the length direction and the width direction is viewed from the laminating direction includes a plurality of side margin layers laminated in the width direction. An outer layer portion as a region in which the plurality of internal electrodes is not provided except for the side margin portion when a section of the laminate including the laminating direction and the width direction is viewed from the length direction includes a plurality of layer-margin layers laminated in the laminating direction.

    METHOD OF MANUFACTURING MULTILAYER CERAMIC CAPACITOR AND MULTILAYER CERAMIC CAPACITOR
    7.
    发明申请
    METHOD OF MANUFACTURING MULTILAYER CERAMIC CAPACITOR AND MULTILAYER CERAMIC CAPACITOR 有权
    制造多层陶瓷电容器和多层陶瓷电容器的方法

    公开(公告)号：US20130208398A1

    公开(公告)日：2013-08-15

    申请号：US13764829

    申请日：2013-02-12

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Junya TANAKA ,  Daisuke HAMADA

    IPC: H01G4/30

    CPC classification number: H01G4/306 ,  H01G4/012 ,  H01G4/12 ,  H01G4/30 ,  Y10T29/43

    Abstract: A rectangular or substantially rectangular parallelepiped chip including first and second end surfaces and first and second side surfaces is produced by cutting a mother block along a first direction in a portion where, of conductive layers that are adjacent to each other in a stacking direction, a first one is present and a second one is not present and cutting of the mother block along a second direction in a portion where, of the conductive layers that are adjacent to each other in the stacking direction, the second one is present and the first one is not present. A first internal electrode formed from the first conductive layer is exposed at the first end and side surfaces and not exposed at either of the second end and side surfaces. A second internal electrode formed from the second conductive layer is exposed at the second end and side surfaces and not exposed at either of the first end and side surfaces.

    Abstract translation: 包括第一和第二端面以及第一和第二侧表面的矩形或大致长方体的芯片通过沿着第一方向切割母块而产生，所述第一和第二端面在层叠方向上彼此相邻的导电层， 第一个存在，第二个不存在，并且沿着第二方向切割母块，其中在层叠方向上彼此相邻的导电层中存在第二个的导电层，第一个 不存在 由第一导电层形成的第一内部电极在第一端和侧表面露出，而不暴露在第二端和侧表面中的任何一个处。 由第二导电层形成的第二内部电极在第二端和侧表面处露出，而不暴露在第一端和侧表面中的任一个处。

    MULTILAYER CERAMIC CAPACITOR
    9.
    发明公开
    MULTILAYER CERAMIC CAPACITOR 审中-公开

    公开(公告)号：US20240021371A1

    公开(公告)日：2024-01-18

    申请号：US18373347

    申请日：2023-09-27

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Toru WAKAMATSU ,  Daisuke HAMADA

    IPC: H01G4/008 ,  H01G4/30

    CPC classification number: H01G4/0085 ,  H01G4/30 ,  H01G4/1227

    Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Ni as a main component, and the second inner electrodes have a second metal composition including Cu as a main component. The first metal composition may include Sn as an additive component. The second metal composition may include at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru as an additive component.

    MULTILAYER CERAMIC CAPACITOR
    10.
    发明公开
    MULTILAYER CERAMIC CAPACITOR 审中-公开

    公开(公告)号：US20240021369A1

    公开(公告)日：2024-01-18

    申请号：US18373341

    申请日：2023-09-27

    Applicant: Murata Manufacturing Co., Ltd.

    Inventor： Toru WAKAMATSU ,  Daisuke HAMADA

    IPC: H01G4/008 ,  H01G4/30 ,  H01G4/232

    CPC classification number: H01G4/0085 ,  H01G4/30 ,  H01G4/2325 ,  H01G4/1227

    Abstract: In a multilayer ceramic capacitor including first and second inner electrodes alternately arranged with respect to a stacking direction of a multilayer body, a polarity based on a direction of voltage applied between a first outer electrode and a second outer electrode is determined such that the first inner electrodes function as positive electrodes and the second inner electrodes function as negative electrodes. The first inner electrodes have a first metal composition including Cu as a main component, and the second inner electrodes have a second metal composition including Cu as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, and Ru, which have standard electrode potentials higher than that of Cu, as an additive component.

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