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公开(公告)号：US11742134B2
公开(公告)日：2023-08-29
申请号：US17159398
申请日：2021-01-27
Applicant: TDK Corporation
Inventor： Masato Otsuka , Kouyu Ohi , Yusuke Kimoto , Setu Tsuchida
CPC classification number: H01F27/2823 , H01F27/24 , H01F27/292 , H05K1/11 , H05K1/181 , H05K2201/1003
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：US11545294B2
公开(公告)日：2023-01-03
申请号：US16577286
申请日：2019-09-20
Applicant: TDK CORPORATION
Inventor： Kouyu Ohi , Tasuku Mikogami , Shuhei Someya , Yusuke Kimoto
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.-
Patent Agency Ranking
公开(公告)号：US11610726B2
公开(公告)日：2023-03-21
申请号：US16577344
申请日：2019-09-20
Applicant: TDK CORPORATION
Inventor： Tasuku Mikogami , Kouyu Ohi , Yusuke Kimoto
Abstract: A coil device having high bonding strength and bonding reliability has a core member including a winding core and a flange, wires wound around the winding core and one end being positioned at the flange, and terminal electrodes provided to the flange. Each of the terminal electrodes has a wire connecting part where one ends of the wires are connected, and a mounting part continuously formed with the wire connecting part at the side close to the winding core with respect to the wire connecting part along the axis direction of the winding core. The wire connecting part is provided at a position lower than the mounting part along the height direction of the flange.
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公开(公告)号：US12266466B2
公开(公告)日：2025-04-01
申请号：US18071098
申请日：2022-11-29
Applicant: TDK CORPORATION
Inventor： Kouyu Ohi , Tasuku Mikogami , Shuhei Someya , Yusuke Kimoto
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：USD1047910S1
公开(公告)日：2024-10-22
申请号：US29952292
申请日：2024-07-15
Applicant: TDK Corporation
Designer： Takashi Arasawa , Kouyu Ohi , Yusuke Kimoto , Tomoya Tsubai
Abstract: FIG. 1 is a front elevational view of a coil component, showing the new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left-side elevational view thereof;
FIG. 4 is a right-side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view thereof;
FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 3; and,
FIG. 9 is a reference view with a cover removed.
The broken lines depict parts of the coil component that form no part of the claimed design. The dot-dash chain lines depict boundaries of the claimed subject matter and form no part of the claimed design.-
公开(公告)号：USD1040762S1
公开(公告)日：2024-09-03
申请号：US29772989
申请日：2021-03-05
Applicant: TDK CORPORATION
Designer： Takashi Arasawa , Kouyu Ohi , Yusuke Kimoto , Tomoya Tsubai
Abstract: FIG. 1 is a front elevational view of a coil component, showing the new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left-side elevational view thereof;
FIG. 4 is a right-side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view thereof;
FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 3; and,
FIG. 9 is a reference view with a cover removed.
The broken lines depict parts of the coil component that form no part of the claimed design. The dot-dash chain lines depict boundaries of the claimed subject matter and form no part of the claimed design.-
公开(公告)号：US11657956B2
公开(公告)日：2023-05-23
申请号：US16571668
申请日：2019-09-16
Applicant: TDK CORPORATION
Inventor： Tasuku Mikogami , Kouyu Ohi , Yusuke Kimoto
CPC classification number: H01F27/292 , H01F27/2828 , H01F27/24
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.
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