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。

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。

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。

公开(公告)号：US20230093320A1

公开(公告)日：2023-03-23

申请号：US18071098

申请日：2022-11-29

Applicant: TDK CORPORATION

Inventor： Kouyu OHI ,  Tasuku MIKOGAMI ,  Shuhei SOMEYA ,  Yusuke KIMOTO

IPC: H01F27/28 ,  H01F27/29 ,  H01F27/24

Abstract: To provide a coil device having high bonding strength and bonding reliability.
The coil device 1 has a core member 10 having a winding core and a flange 12, a wire 32 wound around the winding core, and a terminal electrode 52 connected with a lead 32a of a wire 32 provided to the flange 12; and an easy bonding layer 70 is formed on the surface of the terminal electrode 52 connected with the lead 32a in a stripe form 70a. the stripe form each bonding layer 70a is formed as a laser mark 71. In the coil device 1, a residue of coating film 78 which may be generated when the lead 32a of the wire 32 is connected to the mounting part 65 of the terminal electrode 52 is removed by laser.

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

IPC: H05K1/18 ,  H01F27/24 ,  H01F27/29 ,  H01F27/28 ,  H05K3/34

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.

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。

公开(公告)号：US20190385783A1

公开(公告)日：2019-12-19

申请号：US16444806

申请日：2019-06-18

Applicant: TDK CORPORATION

Inventor： Shuhei SOMEYA ,  Kouyu OHI ,  Tasuku MIKOGAMI

IPC: H01F27/28 ,  H01F27/24 ,  H01F27/29 ,  H01F41/064

Abstract: Disclosed herein is a coil component that includes: a first magnetic core extending in the first direction and around which the wires are wound; a second magnetic core covering the first magnetic core from one side in a third direction; first and second terminal electrodes connected respectively to one ends of the first and second wires; and third and fourth terminal electrodes connected respectively to other ends of the first and second wires. The first and second electrodes are arranged in the first direction along the first surface of the first magnetic core, and the third and fourth terminal electrodes are arranged in the first direction along the second surface of the first magnetic core.

公开(公告)号：US20180366255A1

公开(公告)日：2018-12-20

申请号：US16007238

申请日：2018-06-13

Applicant: TDK CORPORATION

Inventor： Tasuku MIKOGAMI ,  Nobuo TAKAGI

IPC: H01F27/28 ,  H01F27/24 ,  H01F27/29 ,  H01F41/064 ,  H01F41/10

Abstract: Disclosed herein is a coil component that includes a drum core having a winding core part and a first flange part, and first to fourth wires wound around the winding core part. One ends of the wires are each connected to any one of the terminal electrodes provided on the first flange part. The first to fourth wires wound around the winding core part form a winding block including a lower layer constituted of the first and third wires and an upper layer constituted of the second and fourth wires wound over the lower layer. A distance between connection positions of one ends of the first and third wires and an outside surface of the first flange part is shorter than a distance between connection positions of one ends of the second and fourth wires and the outside surface of the first flange part.

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。

公开(公告)号：US20200098511A1

公开(公告)日：2020-03-26

申请号：US16571668

申请日：2019-09-16

Applicant: TDK CORPORATION

Inventor： Tasuku MIKOGAMI ,  Kouyu OHI ,  Yusuke KIMOTO

IPC: H01F27/29 ,  H01F27/28

Abstract: A coil device 1 including a winding core 11 and flanges 12, 12, wires 31 to 34 wound around the winding core 11 and having one end located at the flanges 12, 12, and terminal electrodes 51 to 56 provided on the flanges 12, 12. The terminal electrodes 51 to 56 includes a wire connecting part 63a, 63b to which the one end of the wires 31 to 34 are connected and a mounting part 65 formed continuously to the wire connecting part 63a, 63b and to be positioned away from an axis of the winding core with respect to the wire connecting parts 63a, 63b along an outer peripheral direction of the flanges 12, 12.