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公开(公告)号：US20240234014A9
公开(公告)日：2024-07-11
申请号：US18361370
申请日：2023-07-28
Applicant: TDK CORPORATION
Inventor： So KOBAYASHI , Youichi KAZUTA , Yuto SHIGA , Yuichi TAKUBO , Xuran GUO , Toru YAGINUMA
CPC classification number: H01F27/292 , H01F17/0013
Abstract: A coil component includes an element body, a coil, a first terminal electrode, and a second terminal electrode. The coil has a coil axis extending in a direction in which a pair of side surfaces face each other. The first terminal electrode and the second terminal electrode have first electrode portions exposed on end surfaces and second electrode portions exposed on a main surface, respectively, and are not exposed on each of the pair of side surfaces. In a direction in which a pair of main surfaces face each other, a distance between each of ends of the first electrode portions on the main surface side and the main surface is larger than a distance between a top portion of the coil closest to the main surface and the main surface.
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公开(公告)号：US20230317360A1
公开(公告)日：2023-10-05
申请号：US18187813
申请日：2023-03-22
Applicant: TDK CORPORATION
Inventor： Kazuya TOBITA , Xuran GUO , Youichi KAZUTA , Yuichi TAKUBO , Yuto SHIGA , So KOBAYASHI , Toshinori MATSUURA , Noriaki HAMACHI , Junichiro URABE , Shunya SUZUKI
CPC classification number: H01F27/292 , H01F17/0013 , H01F27/2804 , H01F2017/002 , H01F2027/2809
Abstract: In the multilayer inductor, the extending direction of the connection portion is a direction along the turn portion when viewed from the extending direction of the coil axis. In this case, the change of the current route at the junction portion between the turn portion and the connection portion becomes gentle. Therefore, the signal loss at the junction portion is reduced, a high Q value can be achieved.
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公开(公告)号：US20240136112A1
公开(公告)日：2024-04-25
申请号：US18361370
申请日：2023-07-27
Applicant: TDK CORPORATION
Inventor： So KOBAYASHI , Youichi KAZUTA , Yuto SHIGA , Yuichi TAKUBO , Xuran GUO , Toru YAGINUMA
CPC classification number: H01F27/292 , H01F17/0013
Abstract: A coil component includes an element body, a coil, a first terminal electrode, and a second terminal electrode. The coil has a coil axis extending in a direction in which a pair of side surfaces face each other. The first terminal electrode and the second terminal electrode have first electrode portions exposed on end surfaces and second electrode portions exposed on a main surface, respectively, and are not exposed on each of the pair of side surfaces. In a direction in which a pair of main surfaces face each other, a distance between each of ends of the first electrode portions on the main surface side and the main surface is larger than a distance between a top portion of the coil closest to the main surface and the main surface.
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公开(公告)号：US20230402216A1
公开(公告)日：2023-12-14
申请号：US18317997
申请日：2023-05-16
Applicant: TDK CORPORATION
Inventor： Yuto SHIGA , So KOBAYASHI , Youichi KAZUTA , Yuichi TAKUBO , Xuran GUO
CPC classification number: H01F17/0013 , H01F27/292 , H01F2027/2809
Abstract: A coil includes a plurality of coil conductors. The coil includes a plurality of connection portions each at which adjacent coil conductors of the plurality of coil conductors are electrically connected to each other and the adjacent coil conductors overlap each other. The plurality of connection portions include a first connection portion and a second connection portion that is farther from an electrode portion on a main surface than the first connection portion. A second area where the adjacent coil conductors overlap each other in the second connection portion is larger than a first area where the adjacent coil conductors overlap each other in the first connection portion.
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Patent Agency Ranking
公开(公告)号：US20230290561A1
公开(公告)日：2023-09-14
申请号：US18087138
申请日：2022-12-22
Applicant: TDK CORPORATION
Inventor： Xuran GUO , Kazuya TOBITA , Youichi KAZUTA , Yuichi TAKUBO , Yuto SHIGA , So KOBAYASHI , Toshinori MATSUURA , Noriaki HAMACHI , Junichiro URABE , Shunya SUZUKI
CPC classification number: H01F27/292 , H01F27/2804 , H01F2027/2809
Abstract: A multilayer coil component includes an element body including a main surface, first and second external electrodes disposed on the main surface, a coil disposed in the element body, a first connection conductor connecting the first external electrode and the coil, and a second connection conductor connecting the second external electrode and the coil. The second connection conductor includes a pad conductor and a through-hole conductor. The pad conductor and through-hole conductor are separated from the coil. The through-hole conductor includes a connection end connected to the pad conductor. The pad conductor includes a first portion overlapping the entire connection end included in the through-hole conductor and a second portion continuous with the first portion. The second portion is separated from the coil more than the first portion.
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公开(公告)号：US20240266108A1
公开(公告)日：2024-08-08
申请号：US18425517
申请日：2024-01-29
Applicant: TDK Corporation
Inventor： Youichi KAZUTA , Kazuya TOBITA , Yuto SHIGA , Yuichi TAKUBO , Xuran GUO , So KOBAYASHI , Hiroto KOMATSU , Toru YAGINUMA
CPC classification number: H01F41/041 , H01F17/0013 , H01F17/04 , H01F27/292 , H01F2017/048
Abstract: An electronic component includes an element body including a first principal surface and a second principal surface opposing each other, and first and second external electrodes disposed on the first principal surface and separated from each other. The element body includes a first region including the first principal surface and a second region located between the first region and the second principal surface. The first region includes a portion located between the first and second external electrodes. The portion included in the first region is in contact with the first and second external electrodes. When viewed in a direction in which the first principal surface and the second principal surface oppose each other, the portion included in the first region covers an end of each of the first and second external electrodes. The first region has hardness greater than that of the second region.
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公开(公告)号：US20240120140A1
公开(公告)日：2024-04-11
申请号：US18335607
申请日：2023-06-15
Applicant: TDK CORPORATION
Inventor： Noriaki HAMACHI , Toshinori MATSUURA , Junichiro URABE , Kota OIKAWA , Yuto SHIGA , Youichi KAZUTA , Yuichi TAKUBO , Shunya SUZUKI , Xuran GUO , So KOBAYASHI
CPC classification number: H01F17/0013 , H01F27/292 , H01F2017/002
Abstract: A plurality of through-hole conductors include a first through-hole conductor and a second through-hole conductor between coil conductors adjacent each other. Each of the first through-hole conductor and the second through-hole conductor includes a first end and a second end. The first end included in the second through-hole conductor is coupled to the second end included in the first through-hole conductor, and has a width larger than a width of the second end included in the first through-hole conductor. The first end included in the first through-hole conductor has a width larger than the width of the second end included in the first through-hole conductor. The second end included in the second through-hole conductor has a width smaller than the width of the first end included in the second through-hole conductor.
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公开(公告)号：US20230326661A1
公开(公告)日：2023-10-12
申请号：US18187785
申请日：2023-03-22
Applicant: TDK CORPORATION
Inventor： Noriaki HAMACHI , Toshinori MATSUURA , Junichiro URABE , Kazuya TOBITA , Yuto SHIGA , Youichi KAZUTA , Yuichi TAKUBO , Shunya SUZUKI , Xuran GUO , So KOBAYASHI
IPC: H01F27/28
CPC classification number: H01F27/2804
Abstract: The mainline pattern and the pair of bypass patterns in the multilayer inductor can be regarded as three inductors connected in parallel in the element body. That is, in the multilayer inductor, paralleling of the inductance is realized in the element body by the mainline pattern and the pair of bypass patterns. Therefore, the inductance value of the multilayer inductor as a whole can be reduced.
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公开(公告)号：US20230207186A1
公开(公告)日：2023-06-29
申请号：US18085990
申请日：2022-12-21
Applicant: TDK CORPORATION
Inventor： Yuto SHIGA , Kazuya TOBITA , Youichi KAZUTA , Yuichi TAKUBO , So KOBAYASHI , Xuran GUO , Shunya SUZUKI
CPC classification number: H01F27/292 , H01F17/0013
Abstract: A plurality of electrode conductors included in a first external electrode and a second external electrode of a multilayer coil component includes a first part in a second direction and a second part in a third direction. A first electrode conductor and a third electrode conductor differ in at least any one dimension of four dimensions including a width of the first part, a length of the first part, a width of the second part, and a length of the second part. A second electrode conductor and a fourth electrode conductor differ in at least any one dimension of the four dimensions. The first electrode conductor and the second electrode conductor differ in at least any one dimension of the four dimensions. The third electrode conductor and the fourth electrode conductor differ in at least any one dimension of the four dimensions.
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