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公开(公告)号：US20210350983A1
公开(公告)日：2021-11-11
申请号：US17368909
申请日：2021-07-07
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Daiki FUKUNAGA , Hideaki TANAKA , Masahiro WAKASHIMA , Daisuke HAMADA , Hironori TSUTSUMI , Satoshi MAENO , Ryota ASO , Koji MORIYAMA , Akihiro TSURU
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.
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Patent Agency Ranking
12.发明公开公开(公告)号：US20240145168A1
公开(公告)日：2024-05-02
申请号：US18404937
申请日：2024-01-05
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Daisuke HAMADA
CPC classification number: H01G4/012 , H01G4/2325 , H01G4/30 , H01G4/1209
Abstract: A multilayer ceramic electronic component includes a multilayer body including a plurality of insulator layers including ceramic, and a plurality of inner electrode layers. An aspect ratio of a metal particle of the inner electrode layers is about 1.8 or greater.
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公开(公告)号：US20240021370A1
公开(公告)日：2024-01-18
申请号：US18373345
申请日：2023-09-27
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Toru WAKAMATSU , Daisuke HAMADA
CPC classification number: H01G4/0085 , H01G4/30 , H01G4/2325
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 and Sn, and the second inner electrodes have a second metal composition including Ni. The second metal composition of the second inner electrodes may consist of Ni, or may include Ni as a main component and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, Ru, and Cu, which have standard electrode potentials higher than that of Ni.
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公开(公告)号：US20240021368A1
公开(公告)日：2024-01-18
申请号：US18373349
申请日：2023-09-27
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Toru WAKAMATSU , Daisuke HAMADA
CPC classification number: H01G4/008 , H01G4/30 , H01G4/012 , H01G4/1227 , H01G4/232
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 or Cu as a main component, and the second inner electrodes have a second metal composition including 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 a main component.
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公开(公告)号：US20240021367A1
公开(公告)日：2024-01-18
申请号：US18373342
申请日：2023-09-27
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Toru WAKAMATSU , Daisuke HAMADA
CPC classification number: H01G4/008 , H01G4/30 , H01G4/1218 , H01G4/1236
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 Ni as a main component, and at least one metal element selected from Au, Pt, Ir, Pd, Os, Ag, Rh, Ru, and Cu, which have standard electrode potentials higher than that of Ni, as an additive component.
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16.发明申请公开(公告)号：US20210020380A1
公开(公告)日：2021-01-21
申请号：US16930350
申请日：2020-07-16
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takehisa SASABAYASHI , Kiyoshiro ISHIBE , Kenji UENO , Ai FUKUMORI , Akihiro TSURU , Daisuke HAMADA
Abstract: A multilayer electronic component includes a multilayer body including dielectric layers and inner electrode layers. Each of the dielectric layers includes first crystal grains defining and functioning as plate-shaped objects that have an average thickness of less than or equal to about 300 nm and an average aspect ratio of more than or equal to about 5, each of the inner electrode layers includes second crystal grains defining and functioning as plate-shaped objects that have an average thickness of less than or equal to about 150 nm and an average aspect ratio of more than or equal to about 5, where an aspect ratio is represented by a ratio of a major axis of each plate-shaped object to a thickness of the plate-shaped object with the major axis of the plate-shaped object being orthogonal or substantially orthogonal to a thickness direction of the plate-shaped object.
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