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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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公开(公告)号：US20230130960A1
公开(公告)日：2023-04-27
申请号：US17969223
申请日：2022-10-19
Applicant: TDK CORPORATION
Inventor： Yuto SHIGA , Kazuya TOBITA , Youichi KAZUTA , Yuichi TAKUBO , Toshinori MATSUURA , Junichiro URABE , Noriaki HAMACHI
Abstract: A multilayer coil component includes an element body including a main surface, a coil disposed in the element body, and an external electrode electrically connected to the coil. The external electrode includes an underlying metal layer disposed on the element body and a plated layer in contact with a surface of the underlying metal layer. The underlying metal layer includes a main surface electrode portion exposed from the main surface. At least one recess that opens to at least a surface of the main surface electrode portion is formed in the main surface electrode portion.
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Patent Agency Ranking
公开(公告)号：US20220319763A1
公开(公告)日：2022-10-06
申请号：US17706146
申请日：2022-03-28
Applicant: TDK CORPORATION
Inventor： Kazuya TOBITA , Youichi KAZUTA , Yuto SHIGA , Yuichi TAKUBO , Junichiro URABE , Noriaki HAMACHI , Toshinori MATSUURA
Abstract: A multilayer coil component 1 includes an element body 2, a coil 5, a first terminal electrode 3, a second terminal electrode 4, a first connection conductor 6, and a second connection conductor 7. The coil 5 includes a first coil portion 8 that has one end of the coil 5 and is disposed on a side of a main surface 2c and a second coil portion 9 that has the other end of the coil 5 and is disposed on a side of the main surface 2d. A distance L2 between the first connection conductor 6 and the second coil portion 9 is larger than a distance L1 between the first connection conductor 6 and the first coil portion 8.
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公开(公告)号：US20210249183A1
公开(公告)日：2021-08-12
申请号：US17166153
申请日：2021-02-03
Applicant: TDK CORPORATION
Inventor： Junichiro URABE , Hajime KATO , Yuto SHIGA , Kazuya TOBITA , Youichi KAZUTA , Noriaki HAMACHI , Toshinori MATSUURA , Yuichi TAKUBO , Asami TAKAHASHI , Munehiro TAKAKU
Abstract: In a coil 5 of a multilayer coil component 1, an end portion 6a of a turn 6 closest to a side surface 2e in the facing direction of the side surface 2e and a side surface 2f is connected to a first external electrode 3 and an end portion 11a of a turn 11 closest to the side surface 2f in the facing direction is connected to a second external electrode 4. When viewed from the facing direction, the area of the region where the turn 6 and the second external electrode 4 face each other and the area of the region where the turn 11 and the first external electrode 3 face each other are larger than the area of the region where turns other than the turn 6 and the turn 11 and the first external electrode 3 or the second external electrode 4 face each other.
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公开(公告)号：US20200098507A1
公开(公告)日：2020-03-26
申请号：US16576193
申请日：2019-09-19
Applicant: TDK CORPORATION
Inventor： Yuto SHIGA , Hajime KATO , Kazuya TOBITA , Youichi KAZUTA , Noriaki HAMACHI , Makoto YOSHINO
Abstract: A multilayer coil component includes an element body including a plurality of laminated insulator layers, and a coil disposed in the element body. The coil includes a first coil conductor having a first inner diameter, a second coil conductor having a second inner diameter smaller than the first inner diameter, and a connection conductor connecting the first coil conductor and the second coil conductor. The second coil conductor is adjacent to the first coil conductor in a direction in which the plurality of insulator layers are laminated. The connection conductor has a shape along the first coil conductor and the second coil conductor.
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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：US20230073373A1
公开(公告)日：2023-03-09
申请号：US17903850
申请日：2022-09-06
Applicant: TDK CORPORATION
Inventor： Junichiro URABE , Toshinori MATSUURA , Kazuya TOBITA , Noriaki HAMACHI , Yuichi TAKUBO , Yuto SHIGA , Youichi KAZUTA
IPC: H01F27/29
Abstract: A coil component includes: an element body including a main surface; a pair of external electrodes disposed on the main surface; and a coil including a coil part positioned in the element body and a pair of connecting parts exposed from the element body and each connected to a corresponding external electrode of the pair of external electrodes. Each of the pair of external electrodes includes a first surface opposing the main surface and a second surface opposing the first surface. Each of the pair of connecting parts includes a first part coupled to the second surface of the corresponding external electrode and a second part continuous with the first part and an end of the coil part.
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