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公开(公告)号：US20180308623A1
公开(公告)日：2018-10-25
申请号：US15956621
申请日：2018-04-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira TANAKA
CPC classification number: H01F27/292 , H01F27/022 , H01F27/26 , H01F27/2828
Abstract: An inductor component includes a core including a substantially column-shaped shaft and a support formed on an end portion of the shaft and a terminal electrode formed on the support. The terminal electrode includes an underlying layer on a surface of the support. A maximum thickness of the underlying layer on an end face of the support is greater than a maximum thickness of the underlying layer on a bottom face of the support.
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公开(公告)号：US20240283423A1
公开(公告)日：2024-08-22
申请号：US18650228
申请日：2024-04-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yosuke MATSUSHITA , Akira TANAKA , Yuji KAMINISHI
CPC classification number: H03H7/0115 , H01G4/005 , H01G4/30 , H01G4/40
Abstract: An electronic component includes: a body having a first surface; and a plurality of electrodes disposed on the first surface. Each of the plurality of electrodes includes a base electrode and a plating film covering the base electrode. The plurality of electrodes include: first-class electrodes individually disposed on the first surface and connected to each other by a wiring line passing through an inside of the body; and a second-class electrode individually disposed on the first surface and not connected to other electrodes of the plurality of electrodes. On the first surface, a second region in which the second-class electrode is disposed more protrudes than a first region in which each of the first-class electrodes is disposed.
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公开(公告)号：US20230238936A1
公开(公告)日：2023-07-27
申请号：US18127149
申请日：2023-03-28
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira TANAKA
CPC classification number: H03H7/12 , H03H7/1758 , H03H2001/0085
Abstract: A filter includes a body and first and second filters with pass bands different from each other. In the body, an inductor of the first filter is in a first range, and an inductor of the second filter is in a second range. The inductor in the first filter is a vertical coil including a plate electrode and a via extending in a normal direction of the body. In the second filter, the inductor facing the first range is a planar coil with a winding axis in the normal direction of the body. As seen in plan view in the normal direction of the body, an imaginary line from an extending-direction center of the plate electrode of the first filter in a direction perpendicular or substantially perpendicular to the extending direction does not intersect with the inductor of the second filter.
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公开(公告)号：US20220093331A1
公开(公告)日：2022-03-24
申请号：US17479055
申请日：2021-09-20
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuyuki SHIMADA , Akira TANAKA , Shinichi KOKAWA
Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrodes alternately laminated therein, and two end surfaces opposing each other in a length direction, and two side surfaces opposing each other in a width direction, and two external electrodes respectively on the two end surfaces of the multilayer body. At least one of two opposed main surfaces of the multilayer ceramic capacitor includes raised portions provided respectively on one side and another side with a middle portion of the main surface interposed therebetween. The raised portions are each raised to become thicker in the lamination direction from the middle portion toward an outer periphery of the main surface.
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公开(公告)号：US20180308624A1
公开(公告)日：2018-10-25
申请号：US15956624
申请日：2018-04-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira TANAKA
CPC classification number: H01F27/292 , H01F27/022 , H01F27/26 , H01F27/2828
Abstract: An inductor component includes a core including a substantially column-shaped shaft and a support formed on an end portion of the shaft, a terminal electrode formed on the support, and a cover member that covers at least an upper face of the shaft. A width dimension of the inductor component including the core and the terminal electrode is greater than a width dimension of the cover member.
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Patent Agency Ranking
公开(公告)号：US20180308622A1
公开(公告)日：2018-10-25
申请号：US15956612
申请日：2018-04-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira TANAKA
CPC classification number: H01F27/292 , H01F27/022 , H01F27/26 , H01F27/2828
Abstract: An inductor component includes a core including a substantially column-shaped shaft and a support formed on an end portion of the shaft, a terminal electrode formed on the support, and a wire wound around the shaft and including an end portion connected to the terminal electrode. The support includes a first ridge that is rounded at a boundary between an inner face and a bottom face of the support, and a second ridge that is rounded at a boundary between the bottom face and an end face of the support. A radius of curvature of the first ridge is greater than a radius of curvature of the second ridge.
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公开(公告)号：US20180102582A1
公开(公告)日：2018-04-12
申请号：US15835491
申请日：2017-12-08
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira TANAKA
IPC: H01P5/18
CPC classification number: H01P5/18 , H01P1/2039 , H01P5/184
Abstract: A directional coupler includes an input terminal, an output terminal, a coupling terminal, a termination terminal, a first ground terminal, second ground terminals, a main line, a first sub line, and a second sub line. A first low pass filter is included between the coupling terminal and the first sub line. A second low pass filter is included between the first sub line and the second sub line. The first low pass filter is electrically connected to the first ground terminal, and the second low pass filter is electrically connected to the second ground terminals.
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公开(公告)号：US20150002239A1
公开(公告)日：2015-01-01
申请号：US14251875
申请日：2014-04-14
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira TANAKA
IPC: H01P5/18
Abstract: A directional coupler for use in a predetermined frequency band includes a laminate body including a laminate of a plurality of insulation layers, a first terminal through a fourth terminal disposed on a surface of the laminate body, a main line connected between the first terminal and the second terminal and disposed on the insulation layer, a first sub-line connected to the third terminal, electromagnetically coupled with the main line, and disposed on the insulation layer, a second sub-line connected to the fourth terminal, electromagnetically coupled with the main line, and disposed on the second sub-line, and a phase adjusting circuit connected between the first sub-line and the second sub-line and configured to cause a phase shift on a passing signal. The main line, the first sub-line and the second sub-line do not overlap each other in a plan view from a direction of lamination.
Abstract translation: 在预定频带中使用的定向耦合器包括层压体，其包括多个绝缘层的层压体，设置在层叠体的表面上的第四端子的第一端子，连接在第一端子和第二端子之间的主线 第二端子并且设置在所述绝缘层上，与所述第三端子连接的第一子线路，与所述主线路电磁耦合并且设置在所述绝缘层上，第二子线路，连接到所述第四端子，与所述主体电磁耦合 并且配置在所述第二子线路上，以及相位调整电路，其连接在所述第一子线路与所述第二子线路之间，并且被配置为在通过信号上引起相移。 主线，第一子线和第二子线在层叠方向的俯视图中彼此不重叠。
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公开(公告)号：US20240347258A1
公开(公告)日：2024-10-17
申请号：US18753119
申请日：2024-06-25
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira TANAKA
CPC classification number: H01F27/2804 , H01F27/292 , H03H7/01 , H01F2027/2809
Abstract: A filter device includes a dielectric including a main surface, and a filter in the dielectric. The filter includes first and second inductors inside the dielectric. The first inductor includes a first coil with a winding axis corresponding to a normal direction to the main surface of the dielectric. The second inductor includes a second coil including flat-plate electrodes in the dielectric and extending linearly, and vias connected to the flat-plate electrodes and extending in a normal direction of the dielectric. In a plan view seen from the normal direction of the dielectric, an imaginary line does not intersect with an inner surface of the first coil, the imaginary line being drawn from a center position in an extending direction of the flat-plate electrodes in the second inductor to extend in a direction orthogonal or substantially orthogonal to the extending direction.
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公开(公告)号：US20180308621A1
公开(公告)日：2018-10-25
申请号：US15946525
申请日：2018-04-05
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira TANAKA , Sunao NOYA
CPC classification number: H01F27/292 , H01F27/02 , H01F27/24 , H01F27/2823
Abstract: An inductor component comprises a core including a substantially column-shaped shaft and a support formed on an end portion of the shaft, and a terminal electrode formed on the support. The terminal electrode includes a side electrode section on a side face of the support and an end electrode section on an end face of the support. An end portion of the end electrode section adjacent to the side face is higher than an end portion of the side electrode section adjacent to the end face.
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