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公开(公告)号:US20240068881A1
公开(公告)日:2024-02-29
申请号:US18504562
申请日:2023-11-08
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Eiichi MAEDA , Masashi HATTORI , Mitsuru ODAHARA , Toru TAKAHASHI , Kojiro KOMAGAKI , Takahiro TAGUCHI
IPC: G01K7/04
CPC classification number: G01K7/04
Abstract: A thermoelectric conversion device that includes an element body including a plurality of stacked; and a meandering wire inside the element body and that has a stacked structure. The meandering wire includes a thermoelectric material that has an anomalous Nernst effect, and a thermal conductivity of the plurality of stacked substrates is lower than that of the thermoelectric material. A thermoelectric conversion device that includes a winding core; and a winding wire wound around the winding core. The winding wire consists only of a thermoelectric material that has an anomalous Nernst effect. A thermoelectric conversion device that includes a plurality of substrates and meandering wires on main surfaces of the respective substrates. The meandering wires include a thermoelectric material that has an anomalous Nernst effect, and the substrates adjacent to each other are arranged at an angle that is larger than 0 degrees and smaller than 180 degrees.
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公开(公告)号:US20160284463A1
公开(公告)日:2016-09-29
申请号:US15080078
申请日:2016-03-24
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Yosuke MORIYAMA , Mitsuru ODAHARA , Akihiro ONO
IPC: H01F27/28
CPC classification number: H01F17/0013 , H01F2017/002
Abstract: A laminated coil component has an element body formed by laminating a plurality of ceramic layers, and a coil conductor disposed inside the element body. The coil conductor has coil pattern portions disposed on the plurality of the ceramic layers and including line portions and land portions disposed at ends of the line portions, and pattern connecting portions connecting the land portion to each other between the coil pattern portions arranged adjacently in a laminating direction of the ceramic layers. The land portions overlap with the line portions located on the opposite side of the pattern connecting portions in the laminating direction when viewed in the laminating direction such that the centers of the land portions do not overlap with the line portions located on the opposite side of the pattern connecting portions in the laminating direction when viewed in the laminating direction.
Abstract translation: 层叠线圈部件具有通过层叠多个陶瓷层而形成的元件体,以及设置在元件主体内的线圈导体。 线圈导体具有设置在多个陶瓷层上的线圈图案部分,并且包括设置在线路部分的端部处的线部分和接地部分,以及在相邻布置的线圈图案部分之间连接接地部分的图案连接部分 陶瓷层的层叠方向。 当沿着层叠方向观察时,地面部分与位于层叠方向上的图案连接部分相对侧的线部分重叠,使得接合部分的中心不与位于相邻侧面处的线部分重叠 在层叠方向上观察时的层叠方向的图案连接部。
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公开(公告)号:US20130088316A1
公开(公告)日:2013-04-11
申请号:US13692827
申请日:2012-12-03
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Mitsuru ODAHARA , Hideaki MATSUSHIMA , Akihiro ONO
CPC classification number: H01F5/003 , H01F17/0013 , H01F27/292 , H01F41/041 , H01G4/252 , Y10T29/4902
Abstract: An electronic component that can be prevented from being mounted on a circuit board with inclination, and a manufacturing method thereof are provided. An electronic component is mountable on a circuit board including a first land and a second land. The electronic component includes outer electrodes on a lower surface of a stack to be arranged along a direction and are connectable to the first land and the second land, respectively. With the eletronic component mounted to the circuit board, respective contact surfaces of the outer electrodes to the first land and the second land have a structure being symmetric about a line parallel to the direction, and each respective contact surface is divided into a plurality of portions.
Abstract translation: 提供可以防止倾斜地安装在电路板上的电子部件及其制造方法。 电子部件安装在包括第一焊盘和第二焊盘的电路板上。 电子部件包括沿着方向布置的层叠体的下表面上的外部电极,并且能够分别连接到第一焊盘和第二焊盘。 通过将电子部件安装到电路板,外电极到第一焊盘和第二焊盘的相应接触表面具有关于平行于该方向的线对称的结构,并且每个相应的接触表面被分成多个部分 。
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公开(公告)号:US20220108827A1
公开(公告)日:2022-04-07
申请号:US17491262
申请日:2021-09-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Masayuki OISHI , Mitsuru ODAHARA
Abstract: A coil component that can mitigate stress generated between a coil wire and a magnetic layer and make a position of a coil stable, and a manufacturing method of the coil component. The coil component includes a base body and a coil disposed in the base body, the base body includes a plurality of magnetic layers laminated in a first direction, the coil includes a plurality of coil wires laminated in the first direction, the base body further includes a crack generating layer that overlaps at least a part of the coil wires when viewed in the first direction, and a crack is present inside the crack generating layer.
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公开(公告)号:US20220059265A1
公开(公告)日:2022-02-24
申请号:US17408063
申请日:2021-08-20
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Mikito SUGIYAMA , Mitsuru ODAHARA , Takuya ISHIDA
IPC: H01F1/26 , H01F27/255
Abstract: A magnetic composite contains metal magnetic particles and a resin. The metal magnetic particles contain at least one Fe-containing crystalline material, and [Formula 1] Bs×α×{log(γ×1/D+δ×Bs+ε)}{circumflex over ( )}β≥13, where Bs and D are the saturation flux density in T and the median diameter of crystallites in μm, respectively, of the crystalline material, α=14.3, β=−0.67, γ=752, δ=512, and ε=−815.
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公开(公告)号:US20200312501A1
公开(公告)日:2020-10-01
申请号:US16833323
申请日:2020-03-27
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Takuya ISHIDA , Mikito SUGIYAMA , Mitsuru ODAHARA , Hideaki OOI , Koichi IDA
IPC: H01F1/153 , H01F27/255 , H01F1/058 , H01F1/24
Abstract: A magnetic material and an inductor capable of attaining both higher magnetic permeability and improved DC superposition characteristics. A composite magnetic material contains metal magnetic particles, in which the metal magnetic particles include first particles having a median diameter D50 of 1.3 μm or more and 5.0 μm or less (i.e., from 1.3 μm to 5.0 μm), and second particles having a median diameter D50 larger than the first particles. The first and second particles each include a core portion made of a metal magnetic material, and an insulating film provided on a surface of the core portion. The insulating film of the second particles has an average thickness of 40 nm or more and 100 nm or less (i.e., from 40 nm to 100 nm). The insulating film of the first particles has an average thickness smaller than that of the insulating film of the second particles.
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公开(公告)号:US20190221357A1
公开(公告)日:2019-07-18
申请号:US16213947
申请日:2018-12-07
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Mikito SUGIYAMA , Mitsuru ODAHARA , Takuya ISHIDA , Hideaki OOI , Takao KAWACHI
CPC classification number: H01F27/2804 , H01F1/12 , H01F27/02
Abstract: A coil component includes a body, a coil conductor embedded in the body, and outer electrodes disposed on the outside of the body. The body includes a first magnetic layer containing a substantially spherical metallic magnetic material and second and third layers containing a substantially flat metallic magnetic material. At least the wound section of the coil conductor is between the second and third magnetic layers in the direction along the axis of the coil conductor. In the direction perpendicular to the axis, the second and third magnetic layers have a width equal to or larger than the outer diameter of the wound section of the coil component. The substantially flat metallic magnetic material is oriented so that the flat plane thereof is perpendicular to the axis of the coil conductor. The first magnetic layer extends between the second and third magnetic layers and the outer electrodes.
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公开(公告)号:US20150213947A1
公开(公告)日:2015-07-30
申请号:US14678731
申请日:2015-04-03
Applicant: MURATA MANUFACTURING CO., LTD.
Inventor: Mitsuru ODAHARA
IPC: H01F27/28
CPC classification number: H01F17/0013 , H01F5/00 , H01F17/0033 , H01F27/2804 , H01F2017/0066 , H01F2027/2809 , Y10T29/49071
Abstract: A laminate has a structure in which magnetic layers and a non-magnetic layer containing glass are stacked. A coil is incorporated in the laminate. The magnetic permeability μ2 in portions (low-magnetic-permeability portions), of the magnetic layers, which are adjacent to the non-magnetic layer and into which the glass diffuses is lower than the magnetic permeability μ1 in portions (high-magnetic-permeability portions), of the magnetic layers, which are not adjacent to the non-magnetic layer.
Abstract translation: 层叠体具有层叠有磁性层和含有非磁性层的玻璃的结构。 线圈被并入层压板中。 与非磁性层相邻并且玻璃扩散的磁性层的部分(低磁导率部分)的磁导率μ2部分地低于导磁率μ1(高磁导率 部分)不与非磁性层相邻的磁性层。
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公开(公告)号:US20230402217A1
公开(公告)日:2023-12-14
申请号:US18451740
申请日:2023-08-17
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Isamu MIYAKE , Hiromi TSUJI , Mitsuru ODAHARA
CPC classification number: H01F17/04 , H01F17/0006 , H01F41/0213
Abstract: An electronic component with improved characteristics includes an element body and an inductor wiring as a wiring line. The element body includes multiple flat plate-shaped magnetic thin strips made of a magnetic material of a sintered body. The multiple magnetic thin strips are laminated in a lamination direction orthogonal to a main face of one of the magnetic thin strips. The inductor wiring extends along the main face inside the element body.
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公开(公告)号:US20230207168A1
公开(公告)日:2023-06-29
申请号:US18172169
申请日:2023-02-21
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Takuya ISHIDA , Mikito SUGIYAMA , Mitsuru ODAHARA , Hideaki OOI , Koichi IDA
CPC classification number: H01F1/24 , B22F1/08 , B22F1/16 , B22F1/052 , H01F1/058 , H01F1/15375 , H01F27/255 , B22F1/10
Abstract: A magnetic material and an inductor capable of attaining both higher magnetic permeability and improved DC superposition characteristics. A composite magnetic material contains metal magnetic particles, in which the metal magnetic particles include first particles having a median diameter D50 of 1.3 µm or more and 5.0 µm or less (i.e., from 1.3 µm to 5.0 µm), and second particles having a median diameter D50 larger than the first particles. The first and second particles each include a core portion made of a metal magnetic material, and an insulating film provided on a surface of the core portion. The insulating film of the second particles has an average thickness of 40 nm or more and 100 nm or less (i.e., from 40 nm to 100 nm). The insulating film of the first particles has an average thickness smaller than that of the insulating film of the second particles.
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