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公开(公告)号：US20190272944A1
公开(公告)日：2019-09-05
申请号：US16398341
申请日：2019-04-30
Applicant: TDK CORPORATION
Inventor： Nobuo TAKAGI , Kazuteru KAKIZAKI , Setu TSUCHIDA
Abstract: A coil device comprising; a winding coil including Cu and having a winding part and an extension line part which is pulled out from said winding part, a pair of electrodes made of a conductive material having, a connecting wire part having a connecting wire face connected with the extension line part and a protective face sandwiching said extension line part with said connecting wire face, and a base part provided with a mounting base face at one of the faces of the base and connected to said connecting wire part, a magnetic part including a magnetic material and covering at least said winding part and said connecting wire part.
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公开(公告)号：US20190019612A1
公开(公告)日：2019-01-17
申请号：US16027865
申请日：2018-07-05
Applicant: TDK CORPORATION
Inventor： Yoshihiro KAWASAKI , Munehito NISHIMURA , Setu TSUCHIDA
IPC: H01F27/24 , H01F27/28 , H01F27/29 , H01F41/064
Abstract: A coil device includes: a core including a winding core part and a flange part at an axial end part of the winding core part, a coil part including a first wire and a second wire wound around the winding core part, a first terminal electrode, formed on a flange part mounting surface and a lead-out part of the first wire is connected, and a second terminal electrode, formed on the mounting surface of the flange part spaced apart from the first terminal electrode and a lead-out part of the second wire is connected, in which the flange part includes a concave part, recessed from the upper surface of the flange part and from an outer end surface of the flange part in order to have bottoms. The coil device is easy to connect a wire and has excellent bonding strength even when the connecting part becomes the mounting surface.
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公开(公告)号：US20180070451A1
公开(公告)日：2018-03-08
申请号：US15803818
申请日：2017-11-05
Applicant: TDK Corporation
Inventor： Nobuo TAKAGI , Kouyu OHI , Tasuku MIKOGAMI , Setu TSUCHIDA
CPC classification number: H05K1/181 , H01F3/10 , H01F19/04 , H01F27/24 , H01F27/2823 , H01F27/2828 , H01F27/292 , H05K3/3442 , H05K2201/1003 , Y02P70/611 , Y02P70/613
Abstract: Disclosed herein is a coil component that includes a drum-shaped core having a first flange part provided at one end of a winding core part, first to fourth terminal electrodes formed on the first flange part so as to be arranged in this order in a second direction, and first to fourth wires wound around the winding core part. One ends of the first to fourth wires are connected to different ones of the first to fourth terminal electrodes. The first and second terminal electrodes are not symmetrical with the third and fourth terminal electrodes so that the third and fourth terminal electrodes are offset outward compared with the first and second terminal electrodes.
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公开(公告)号：US20170229232A1
公开(公告)日：2017-08-10
申请号：US15422009
申请日：2017-02-01
Applicant: TDK CORPORATION
Inventor： Nobuo TAKAGI , Kazuteru KAKIZAKI , Setu TSUCHIDA
CPC classification number: H01F27/29 , H01F3/10 , H01F17/04 , H01F27/24 , H01F27/2823 , H01F27/2828 , H01F27/292 , H01F27/306 , H01F2017/048
Abstract: A coil device comprising; a winding coil including Cu and having a winding part and an extension line part which is pulled out from said winding part, a pair of electrodes made of a conductive material having, a connecting wire part having a connecting wire face connected with the extension line part and a protective face sandwiching said extension line part with said connecting wire face, and a base part provided with a mounting base face at one of the faces of the base and connected to said connecting wire part, a magnetic part including a magnetic material and covering at least said winding part and said connecting wire part.
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公开(公告)号：US20170069420A1
公开(公告)日：2017-03-09
申请号：US15356928
申请日：2016-11-21
Applicant: TDK CORPORATION
Inventor： Nobuo TAKAGI , Setu TSUCHIDA , Koji SHIMURA
IPC: H01F27/29
CPC classification number: H01F27/292 , H01F17/045 , H01F27/2828 , H01F27/29 , H01F27/30
Abstract: Disclosed herein is a coil component that includes a base, a metal wire that is wound around the base and contains copper, and a terminal electrode that is provided on the base and contains nickel and tin. The terminal electrode includes a wire connection area to which an end portion of the metal wire is connected and which contains a CuNi alloy or a CuNiSn alloy, and a mounting area which is different from the wire connection area. The wire connection area includes a portion that contains a small amount of tin than the mounting area.
Abstract translation: 本文公开了一种线圈部件，其包括基部，围绕基部缠绕并包含铜的金属线，以及设置在基座上并且包含镍和锡的端子电极。 端子电极包括金属线的端部连接并且包含CuNi合金或CuNiSn合金的线连接区域和与导线连接区域不同的安装区域。 电线连接区域包括一个比安装区域少的锡的部分。
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Patent Agency Ranking
公开(公告)号：US20170011844A1
公开(公告)日：2017-01-12
申请号：US15201742
申请日：2016-07-05
Applicant: TDK Corporation
Inventor： Tasuku MIKOGAMI , Nobuo TAKAGI , Kouyu OHI , Syun ASHIZAWA , Setu TSUCHIDA
IPC: H01F27/29 , H01F41/076 , H01F41/069 , H01F27/28
CPC classification number: H01F41/069 , H01F27/2828 , H01F27/292 , H01F27/327 , H01F41/127
Abstract: Disclosed herein is a coil component that includes: a drum core including a first flange portion, a second flange portion and a winding core portion positioned between the first and second flange portions; a plurality of coated conductive wires forming a first winding layer wound around the winding core portion and a second winding layer wound around the winding core portion with an intervention of the first winding layer; and a resin coating layer covering the coated conductive wires. A maximum space between the coated conductive wires in the first winding layer is narrower than a diameter of the coated conductive wires.
Abstract translation: 本发明公开了一种线圈部件，其包括：鼓芯，其包括第一凸缘部，第二凸缘部和位于第一凸缘部和第二凸缘部之间的卷绕芯部; 多个涂覆的导线，其形成缠绕在卷绕芯部分上的第一绕组层和缠绕在绕组芯部分上的第二绕组层，介于第一绕组层; 以及覆盖被覆导电线的树脂被覆层。 第一绕组层中的被覆导电线之间的最大间隔比涂覆的导线的直径窄。
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公开(公告)号：US20250029760A1
公开(公告)日：2025-01-23
申请号：US18755948
申请日：2024-06-27
Applicant: TDK CORPORATION
Inventor： Minwoo SONG , Setu TSUCHIDA , Shun KOSUGI , Takashi KADOYA , Takayuki ITO , Masaomi ENOKI , Hiroshi TAKAHASHI
Abstract: A coil device includes a wire, a core, and a terminal fitting. The wire includes a winding portion and a lead-out portion drawn out from the winding portion. The core includes a shaft and a flange at one end of the shaft. The shaft has the winding portion wound around. The terminal fitting includes a mounting portion connectable to a mounting substrate, a wire connecting portion connected to the lead-out portion, and an intermediate portion connecting the mounting portion and the wire connecting portion. The mounting portion and the wire connecting portion are disposed over a mounting surface of the flange. The intermediate portion has a route extending over an end surface of the flange and a side surface of the flange to connect the mounting portion and the wire connecting portion.
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公开(公告)号：US20190164683A1
公开(公告)日：2019-05-30
申请号：US16263056
申请日：2019-01-31
Applicant: TDK CORPORATION
Inventor： Nobuo TAKAGI , Setu TSUCHIDA , Tasuku MIKOGAMI
IPC: H01F27/29
CPC classification number: H01F27/29 , H01F3/10 , H01F27/2828 , H01F27/292
Abstract: A pulse transformer includes a drum core having a winding core, a first flange provided at one end of the winding core in a first direction, and a second flange provided at the other end of the winding core in the first direction. First, second, third, and fourth terminal electrodes are provided in the first flange, and fifth, sixth, seventh, and eighth terminal electrodes are provided in the second flange. First, second, third, and fourth wires each have one end connected to a different one of the first to fourth terminal electrodes and the other end connected to a different one of the fifth to eighth terminal electrodes. A length of the drum core in the first direction and the second direction, perpendicular to the first direction, are substantially equal to one another, such that a planar shape of a mounting region of the pulse transformer is substantially square.
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公开(公告)号：US20180374632A1
公开(公告)日：2018-12-27
申请号：US16012611
申请日：2018-06-19
Applicant: TDK CORPORATION
Inventor： Keisuke KAWAHARA , Tasuku MIKOGAMI , Setu TSUCHIDA , Toshio TOMONARI
IPC: H01F27/29 , H01F17/04 , H01F41/069 , H01F41/076 , H01F27/28
Abstract: Disclosed herein is a pulse transformer that includes: a drum core including a winding core part and first and second flange parts provided at both ends of the winding core part in an axial direction; a plurality of wires wound around the winding core part; and a plate-like core fixed to the drum core so as to face a first surface of the first flange part that is parallel to the axial direction and a second surface of the second flange part that is parallel to the axial direction. A value of S1/S2 is 0.19 or more and 0.47 or less, where an area of the cross section of the winding core part that is perpendicular to the axial direction is S1 and a facing area between the plate-like core and the first or second surface is S2.
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公开(公告)号：US20170140858A1
公开(公告)日：2017-05-18
申请号：US15282815
申请日：2016-09-30
Applicant: TDK Corporation
Inventor： Nobuo TAKAGI , Kouyu OHI , Tasuku MIKOGAMI , Setu TSUCHIDA
CPC classification number: H01F5/04 , H01F27/2828 , H01F27/292 , H01F27/306
Abstract: The coil device comprises the magnetic core comprising the axial part and the magnetic core end part connecting to the axial part, the coil part formed by winding the wire around the axial part, and the electrode part provided at the magnetic core end part and made of good conductor. Said electrode part comprises the fixing surface fixed with a wire end part of said wire, and the fixing surface is provided on a side surface which does not intersect with a center axis of said coil part at said magnetic core end part. Said fixing surface is inclined to a direction away from said center axis with respect to a direction towards said magnetic core end part from said axial part.
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