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公开(公告)号：US20160133377A1
公开(公告)日：2016-05-12
申请号：US14719788
申请日：2015-05-22
Applicant: TDK Corporation
Inventor： Nobuo TAKAGI , Tasuku MIKOGAMI , Setu TSUCHIDA , Hiroyuki ABE
IPC: H01F27/28 , H01F41/066 , H01F41/12 , H01F27/29
CPC classification number: H01F27/2823 , H01F17/045 , H01F27/02 , H01F27/29 , H01F27/327 , H01F41/066 , H01F41/127 , H01F2017/0093
Abstract: Disclosed herein is a coil component that includes: a drum core that includes first and second flange portions having wire connection portions and a winding core portion located between the first and second flange portions; a coated conductive wire that is wound around the winding core portion, each end of the coated conductive wire being connected to respective one of the wire connection portions; and a resin coating layer that covers at least the coated conductive wire located in a first layer in the winding core portion.
Abstract translation: 本发明公开了一种线圈部件，包括：鼓芯，其包括具有线连接部分的第一和第二凸缘部分和位于第一和第二凸缘部分之间的卷绕芯部分; 缠绕在卷绕芯部上的被覆导线，被覆导线的各端部与导线连接部中的相应一方连接; 以及至少覆盖位于卷绕芯部的第一层中的被覆导电线的树脂被覆层。
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公开(公告)号：US20210233702A1
公开(公告)日：2021-07-29
申请号：US17159398
申请日：2021-01-27
Applicant: TDK Corporation
Inventor： Masato OTSUKA , Kouyu OHI , Yusuke KIMOTO , Setu TSUCHIDA
Abstract: Disclosed herein is a coil component that includes a core, first to fourth terminal electrodes provided on a first flange part, fifth to eighth terminal electrodes provided on a second flange part, first and second wires bifilar wound around a winding core part, and third and fourth wires bifilar wound around the winding core part. One and other ends of the first to eighth wires are connected corresponding one of the first to eighth terminal electrodes. The first and second wires cross each other in a first crossing area. The third and fourth wires cross each other in a second crossing area different from the first crossing area.
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公开(公告)号：US20200013541A1
公开(公告)日：2020-01-09
申请号：US16504082
申请日：2019-07-05
Applicant: TDK CORPORATION
Inventor： Tasuku MIKOGAMI , Shuhei SOMEYA , Syun ASHIZAWA , Setu TSUCHIDA
Abstract: Disclosed herein is a pulse transformer that includes first to fourth terminal electrodes provided on the first flange part, fifth to eighth terminal electrodes provided on the second flange part, first and second wires wound around the winding core part having one end connected to the first and second terminal electrodes and other end connected to the seventh and eighth terminal electrodes, and third and fourth wire wound around the winding core part having one end connected to third and fourth terminal electrodes and other end connected to the fifth and sixth terminal electrodes. A winding direction of the first and third wires is opposite to a winding direction of the second and fourth wires.
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公开(公告)号：US20190318865A1
公开(公告)日：2019-10-17
申请号：US16378960
申请日：2019-04-09
Applicant: TDK CORPORATION
Inventor： Tasuku MIKOGAMI , Shuhei SOMEYA , Syun ASHIZAWA , Setu TSUCHIDA
Abstract: Disclosed herein is a coil component that includes a core including a winding core part extending in the x-direction and a flange part, a terminal electrode provided on the flange part, and a wire wound around the winding core part and connected to the terminal electrode. The terminal electrode does not overlap the winding core part in the y-direction. The wire includes a wound part wound around the winding core part and a drawn part drawn from the wound part, running across the winding core part in the z-direction and connected to the terminal electrode. The core has a positioning part that positions the drawn part of the wire in the y-direction.
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公开(公告)号：US20170229233A1
公开(公告)日：2017-08-10
申请号：US15422156
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 , H01F27/2828 , H01F27/292 , 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 base part provided with a mounting base face at one of the face, and a connecting wire part having a connecting wire face connected with the extension line part and said connecting wire part projects out towards an opposite side of said mounting base face with respect to the base part, a magnetic part including a magnetic material and said magnetic part uncovering said mounting base and covering at least said winding part and said connecting wire face, wherein Sn amount per unit area of said connecting wire face is less than Sn amount per unit area of said mounting base.
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Patent Agency Ranking
公开(公告)号：US20150235758A1
公开(公告)日：2015-08-20
申请号：US14624442
申请日：2015-02-17
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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公开(公告)号：US20150061811A1
公开(公告)日：2015-03-05
申请号：US14475183
申请日：2014-09-02
Applicant: TDK Corporation
Inventor： Nobuo TAKAGI , Setu TSUCHIDA , Tasuku MIKOGAMI , Satoru SARIISHI
IPC: H01F27/29
CPC classification number: H01F27/292
Abstract: A coil component is provided with a coil, a base supporting the coil having a first surface parallel to an extending direction of the terminal section of the coil, and a terminal electrode having a first terminal portion printed on the first surface of the base. The first surface has a stepped surface including an upper stage surface and a lower stage surface. The first terminal portion has a stepped shape including an upper stage portion formed on the upper stage surface and a lower stage portion formed on the lower stage surface. The upper stage portion has a first terminal surface contacting the terminal section of the coil. The lower stage portion has a second terminal surface positioned on an extension line of the terminal section of the coil and not contacting the terminal section of the coil.
Abstract translation: 线圈部件设置有线圈，支撑线圈的基座具有平行于线圈的端子部分的延伸方向的第一表面，以及端子电极，其具有印刷在基座的第一表面上的第一端子部分。 第一表面具有包括上台面和下台面的台阶面。 第一端子部分具有阶梯形状，包括形成在上部台面上的上部部分和形成在下部台面上的下部部分。 上段部具有与线圈的端子部接触的第一端面。 下级部分具有位于线圈的端子部分的延伸线上并且不接触线圈的端子部分的第二端子表面。
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公开(公告)号：US20140292465A1
公开(公告)日：2014-10-02
申请号：US14224581
申请日：2014-03-25
Applicant: TDK Corporation
Inventor： Nobuo TAKAGI , Setu TSUCHIDA , Tasuku MIKOGAMI
IPC: H01F27/29
CPC classification number: H01F27/292 , H01F3/10 , H01F27/2828
Abstract: A pulse transformer is provided with a drum core 2 including a winding core 3 and first and second flanges 4A and 4B, and wires S1 to S4 wound around a winding core 3 of the drum core 2. Terminal electrodes 6a and 6b and a center tap 6c are provided on the flange 4A, and terminal electrodes 6d and 6e and a center tap 6f are provided on the flange 4B. Each end of the wires S1 to S4 is connected to a corresponding one of the terminal electrodes P1 and N1, the center tap CT2, the terminal electrodes P2 and N2, and the center tap CT1. A front end of the terminal electrode 6b is setback toward an outer side surface of the flange 4A, and a front end of the terminal electrode 6e is setback toward an outer side surface of the first flange 4B.
Abstract translation: 脉冲变压器设置有包括卷绕芯3和第一和第二凸缘4A和4B的鼓芯2，以及卷绕在鼓芯2的卷绕芯3上的导线S1至S4。端子电极6a和6b以及中心抽头 6c设置在凸缘4A上，端子电极6d和6e以及中心抽头6f设置在凸缘4B上。 电线S1至S4的每一端连接到端子电极P1和N1，中心抽头CT2，端子电极P2和N2以及中心抽头CT1中的对应的一个。 端子电极6b的前端朝向凸缘4A的外侧面退回，端子电极6e的前端朝向第一凸缘4B的外侧面退回。
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公开(公告)号：US20140292464A1
公开(公告)日：2014-10-02
申请号：US14224556
申请日：2014-03-25
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 1 is provided with a drum core 2 including a winding core 3 and first and second flanges 4A and 4B, and wires S1 to S4 wound around the winding core 3. Terminal electrodes P1 and N1 and a center tap CT2 are provided on the flange 4A, and terminal electrodes P2 and N2 and a center tap CT1 are provided on the flange 4B. Each end of the wires S1 to S4 is connected to a corresponding one of the terminal electrodes P1 and N1, the center tap CT2, the terminal electrodes P2 and N2, and the center tap CT1. A length of the drum core 2 in X direction is equal to a length of the drum core 2 in Y direction, so that the shape of the mounting region on the printed circuit board is not changed even after being rotated by 90°.
Abstract translation: 脉冲变压器1设置有包括卷绕芯3和第一和第二凸缘4A和4B以及缠绕在卷芯3上的导线S1至S4的鼓芯2.端子电极P1和N1以及中心抽头CT2设置在 凸缘4A和端子电极P2和N2以及中心抽头CT1设置在凸缘4B上。 电线S1至S4的每一端连接到端子电极P1和N1，中心抽头CT2，端子电极P2和N2以及中心抽头CT1中的对应的一个。 鼓芯2在X方向上的长度等于鼓芯2在Y方向上的长度，使得印刷电路板上的安装区域的形状即使旋转90°也不会改变。
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公开(公告)号：US20220013274A1
公开(公告)日：2022-01-13
申请号：US17487057
申请日：2021-09-28
Applicant: TDK CORPORATION
Inventor： Yoshihiro KAWASAKI , Munehito NISHIMURA , Setu TSUCHIDA
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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