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公开(公告)号：US20240379280A1
公开(公告)日：2024-11-14
申请号：US18779712
申请日：2024-07-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobuyoshi ADACHI , Koshi HIMEDA , Yoshimitsu USHIMI , Kenji NISHIYAMA
Abstract: An inductor component includes an element body including a magnetic layer, a first coil and a second coil that are disposed adjacent to each other on a plane in the element body, and a first connection conductor that connects the first coil and the second coil. A first axis of the first coil and a second axis of the second coil are disposed parallel in a first direction that is orthogonal to the plane. A shortest distance between the first coil and the second coil is equal to or greater than a larger wiring width of a first wiring width of the first coil and a second wiring width of the second coil, and is equal to or less than an average value of a first diameter of a first smallest circle enclosing the first coil and a second diameter of a second smallest circle enclosing the second coil.
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公开(公告)号：US20240355533A1
公开(公告)日：2024-10-24
申请号：US18762018
申请日：2024-07-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimitsu USHIMI , Koshi HIMEDA , Kenji NISHIYAMA , Hidehiko SASAKI , Nobuyoshi ADACHI
CPC classification number: H01F27/2823 , H01F27/24 , H01F27/324
Abstract: A coil that includes: a coil wire spirally wound along an axis; and an insulator that covers at least a portion of the coil wire. In a cross section including the axis, the insulator includes: a first insulation portion in contact with a first end surface of the coil wire on a first side in a direction of the axis of the coil wire, a second insulation portion in contact with a second end surface of the coil wire on a second side in the direction of the axis of the coil wire, and a third insulation portion between adjacent turns in the direction of the axis of the coil wire. At least one of a first thickness of the first insulation portion and a second thickness of the second insulation portion is thinner than half of a third thickness of the third insulation portion.
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公开(公告)号：US20220336381A1
公开(公告)日：2022-10-20
申请号：US17718725
申请日：2022-04-12
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Kenji NISHIYAMA , Koshi HIMEDA , Yoshimitsu USHIMI
IPC: H01L23/64 , H01L23/498 , H01L49/02
Abstract: A package board that includes an inductor layer having: a first magnetic layer including first magnetic particles and a resin; an inductor wiring that functions as an inductor in the first magnetic layer; and a second magnetic layer on at least one surface of the first magnetic layer, including second magnetic particles that are higher in average flatness than the first magnetic particles and a resin, the second magnetic particles having a shape where the dimension in a direction along the main surface of the second magnetic layer is longer than the dimension in the thickness direction of the second magnetic layer.
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公开(公告)号：US20220278041A1
公开(公告)日：2022-09-01
申请号：US17640991
申请日：2020-10-07
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takayuki TANGE , Yoshimitsu USHIMI
IPC: H01L23/522 , H01L27/12 , H01L27/13 , H01L49/02
Abstract: A transformer includes a silicon substrate, a plurality of metal layers and a plurality of insulating layers laminated on the silicon substrate, a bottom winding of a metal contacting a first metal layer and a second metal layer of the plurality of metal layers, a first insulating layer on the bottom winding, a core on the first insulating layer, a second insulating layer on the core, a top winding of the metal that extends around the core and a portion of the second insulating layer, and a third insulating layer on the top winding. At least one of the top winding and the bottom winding is thicker than each of the plurality of metal layers.
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公开(公告)号：US20240380324A1
公开(公告)日：2024-11-14
申请号：US18779985
申请日：2024-07-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimitsu USHIMI , Koshi HIMEDA , Nobuyoshi ADACHI , Kenji NISHIYAMA
IPC: H02M3/158
Abstract: A voltage converter is provided that includes a variable inductor device that is disposed between an input line and an output line, a switching device that is disposed between the input line and the variable inductor device, a capacitor that is disposed between the output line and a ground line and a control circuit configured to switch an inductance value of the variable inductor device and to switch a control mode of the switching device according to a load current in the output line. The control circuit is configured to set the inductance value of the variable inductor device to a first value when the load current is less than a threshold value and set the inductance value of the variable inductor device to a second value that is smaller than the first value when the load current is higher than the threshold value.
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Patent Agency Ranking
公开(公告)号：US20240355537A1
公开(公告)日：2024-10-24
申请号：US18758276
申请日：2024-06-28
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimitsu USHIMI , Koshi HIMEDA , Kenji NISHIYAMA , Hidehiko SASAKI , Nobuyoshi ADACHI
CPC classification number: H01F27/292 , H01F17/0013 , H01F27/324 , H01F2017/0073
Abstract: An inductor component includes an element body having a magnetic material, and a coil that is disposed inside the element body. The coil includes a coil wire that is spirally wound along an axis with a first end of the coil wire at a positive side of the axis and a second end of the coil wire at a negative side of the axis. At least one of a first end surface of the first end of the coil wire and a second end surface of the second end of the coil wire includes a recess, and a portion of the element body is located inside the recess.
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公开(公告)号：US20240355532A1
公开(公告)日：2024-10-24
申请号：US18761609
申请日：2024-07-02
Applicant: Murata Manufacturing Co,. Ltd.
Inventor： Yoshimitsu USHIMI , Koshi Himeda , Kenji Nishiyama , Hidehiko Sasaki , Nobuyoshi Adachi
CPC classification number: H01F27/2823 , H01F27/24
Abstract: A coil that includes a coil wire spirally wound along an axis. The coil wire includes a first wiring portion and a second wiring portion which are aligned along the axis. The first wiring portion includes a first end surface on a side in a first direction from the first wiring portion toward the second wiring portion, and a second end surface on a side in a second direction opposite to the first direction. The first end surface includes a first end in an inner side portion in a radial direction of the coil wire. The second end surface is in an outer side portion in the radial direction of the coil wire with respect to a straight line passing through the first end and parallel to the direction of the axis.
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公开(公告)号：US20240355527A1
公开(公告)日：2024-10-24
申请号：US18761630
申请日：2024-07-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Kenji NISHIYAMA , Yoshimitsu USHIMI , Koshi HIMEDA , Nobuyoshi ADACHI
IPC: H01F27/255 , H01F17/00 , H01F17/04
CPC classification number: H01F27/255 , H01F17/0006 , H01F17/04 , H01F2017/0066 , H01F2017/048
Abstract: A package substrate that includes: an inductor layer having a magnetic body and inductor wires. The magnetic body includes a first magnetic layer and a second magnetic layer on at least one main surface of the first magnetic layer. The inductor wires are in the first magnetic layer and include a first wire and a second wire adjacent to each other and magnetically coupled. The second magnetic layer overlaps the first wire and the second wire in a thickness direction. The second magnetic layer has anisotropic magnetic permeability in which magnetic permeability in a main surface direction differs from the thickness direction. The magnetic permeability of the second magnetic layer in the main surface direction is higher than in the thickness direction. The magnetic permeability of the second magnetic layer in the main surface direction is higher than magnetic permeability of the first magnetic layer in a main surface direction.
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公开(公告)号：US20220344260A1
公开(公告)日：2022-10-27
申请号：US17641000
申请日：2020-10-07
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takayuki TANGE , Yoshimitsu USHIMI
Abstract: A module includes a substrate, metal layers and insulating layers laminated on the substrate, a bottom winding made of a metal directly contacting a first metal layer or a second metal layer, a first insulating layer on the bottom winding, a core on the first insulating layer, a second insulating layer on the core, a top winding made of the metal that is located on the core and a portion of the second insulating layer and that directly contacts the first metal layer or the second metal layer, and a third insulating layer on the top winding, electronic components that are located on the third insulating layer, where primary and secondary windings of the transformer are defined by portions of the bottom winding and the top winding and are located on opposite sides of the core from each other.
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公开(公告)号：US20200241052A1
公开(公告)日：2020-07-30
申请号：US16847708
申请日：2020-04-14
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Masashi KUBOTA , Yoshimitsu USHIMI , Tetsuzo HARA
Abstract: A magnetic sensor includes a substrate, and a magneto-resistive element portion which is provided on the substrate and has a predetermined magneto-sensitive direction, and in which a bias magnetic field is applied in a direction orthogonal or substantially orthogonal to the magneto-sensitive direction. The magneto-resistive element portion includes a magnetic layer having a negative magneto-striction constant, and stress-induced anisotropy of the magnetic layer develops in a direction parallel or substantially parallel to the direction of the bias magnetic field in response to a tensile stress act on the substrate in a direction parallel or substantially parallel to the magneto-sensitive direction.
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