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公开(公告)号：US20220310320A1
公开(公告)日：2022-09-29
申请号：US17694999
申请日：2022-03-15
Applicant: TDK CORPORATION
Inventor： Noriaki HAMACHI , Toshinori MATSUURA , Junichiro URABE , Kazuya TOBITA , Yuto SHIGA , Youichi KAZUTA , Yuichi TAKUBO
Abstract: A method for manufacturing a multilayer coil component 1 includes: a step of forming an insulator layer 10; a step of forming a first coil conductor 20, a second coil conductor 21, a third coil conductor 22, and a fourth coil conductor 23; a step of obtaining a laminate L formed by laminating the insulator layer 10, the first coil conductor 20, the second coil conductor 21, the third coil conductor 22, and the fourth coil conductor 23; and a step of forming terminal electrodes 4 and 5 on the outer surface of the laminate L by a photolithography method.
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公开(公告)号：US20220310305A1
公开(公告)日：2022-09-29
申请号：US17694971
申请日：2022-03-15
Applicant: TDK CORPORATION
Inventor： Youichi KAZUTA , Kazuya TOBITA , 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 connecting conductor 6, and a second connecting conductor 7. The first connecting conductor 6 extends along a first direction D1 and has a third side 6c intersecting with a second direction D2 and a third direction D3 in a cross section orthogonal to the extension direction. The coil 5 faces the third side 6c of the first connecting conductor 6 when viewed from the first direction D1, and a side 5a facing the third side 6c is parallel to the third side 6c at the part that faces the third side 6c of the first connecting conductor 6.
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公开(公告)号：US20220293333A1
公开(公告)日：2022-09-15
申请号：US17690489
申请日：2022-03-09
Applicant: TDK CORPORATION
Inventor： Junichiro URABE , Hajime KATO , Toshinori MATSUURA , Kazuya TOBITA , Yuto SHIGA , Yuichi TAKUBO , Youichi KAZUTA , Noriaki HAMACHI
Abstract: A coil component includes an exterior body, a coil, and a pair of terminal electrodes. The coil is disposed inside the exterior body. The pair of terminal electrodes are electrically connected to the coil and are disposed on the exterior body. The exterior body includes a first portion that covers the coil and is made of a resin, and a second portion including a side surface on which the pair of terminal electrodes are disposed. The second portion includes a material having a relative permittivity lower than a relative permittivity of the resin and is disposed between the coil and the pair of terminal electrodes.
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公开(公告)号：US20220246346A1
公开(公告)日：2022-08-04
申请号：US17590888
申请日：2022-02-02
Applicant: TDK CORPORATION
Inventor： Yuto SHIGA , Youichi KAZUTA , Yuichi TAKUBO , Junichiro URABE , Noriaki HAMACHI , Kazuya TOBITA , Toshinori MATSUURA
Abstract: A multilayer coil component includes: an element body including a plurality of insulator layers that are laminated; a coil; and a pair of external terminals. The element body has a rectangular parallelepiped shape. The element body includes a pair of main surfaces opposing each other in a first direction, a pair of end surfaces opposing each other in a second direction, and a pair of side surfaces opposing each other in a third direction. The pair of external terminals are separated from each other in the second direction. The pair of external terminals are embedded in the element body apart from the pair of end surfaces and the pair of side surfaces. Each of the pair of external terminals includes an exposed surface exposed from one of the main surfaces and an inner surface disposed in the element body. The inner surface includes a depression or a protrusion.
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公开(公告)号：US20210280362A1
公开(公告)日：2021-09-09
申请号：US17191017
申请日：2021-03-03
Applicant: TDK CORPORATION
Inventor： Yuto SHIGA , Hajime KATO , Junichiro URABE , Kazuya TOBITA , Youichi KAZUTA , Noriaki HAMACHI , Toshinori MATSUURA , Yuichi TAKUBO
Abstract: A multilayer coil component includes an element body, a coil disposed in the element body, and a terminal electrode disposed on the element body. The element body has a first side face and a second side face, a first end face and a second end face, and a first main face and a second main face. The terminal electrode includes a first electrode portion and a second electrode portion. The first electrode portion has a first exposed face exposed on the first main face. The second electrode portion has a second exposed face exposed on the first end face. The first exposed face and the second exposed face are adjacent to each other interposing a ridge portion. The first exposed face is separated from an outer edge of the first main face. The second exposed face is separated from an outer edge of the first end face.
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Patent Agency Ranking
公开(公告)号：US20210272743A1
公开(公告)日：2021-09-02
申请号：US17177421
申请日：2021-02-17
Applicant: TDK CORPORATION
Inventor： Hajime KATO , Junichiro URABE , Yuto SHIGA , Kazuya TOBITA , Youichi KAZUTA , Noriaki HAMACHI , Toshinori MATSUURA , Yuichi TAKUBO , Munehiro TAKAKU
Abstract: A multilayer coil component includes an element body, a coil, and a terminal electrode. The element body includes a first main face, second main face, first end face, second end face, first side face and second side face. The terminal electrode is connected to the coil. The terminal electrode includes a main-face electrode portion provided on the first main face. The coil includes a plurality of coil conductors. The plurality of coil conductors includes a first coil conductor disposed closest to the first main face to oppose to the main-face electrode portion and a second coil conductor disposed closer to the second main face than the first coil conductor. The first coil conductor has a width narrower than a width of the second coil conductor. The first coil conductor has an aspect ratio higher than an aspect ratio of the second coil conductor.
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公开(公告)号：US20210020357A1
公开(公告)日：2021-01-21
申请号：US16930692
申请日：2020-07-16
Applicant: TDK CORPORATION
Inventor： Youichi KAZUTA , Kazuya TOBITA , Yuto SHIGA , Noriaki HAMACHI
Abstract: A multilayer coil component includes an element body, a coil, and a pair of terminal electrodes. Each of the pair of terminal electrodes is formed by a plurality of electrode layers having different shapes being stacked in a stacking direction and is exposed on end surfaces, a main surface, and a pair of side surfaces. One electrode part of the terminal electrodes exposed on the side surfaces of the element body and formed by one of the electrode layers has an overlapping part overlapping at least a part of the other electrode part formed by another of the electrode layers adjacent to the one electrode layer in the stacking direction and a non-overlapping part not overlapping the other electrode part when viewed from the stacking direction.
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公开(公告)号：US20200350107A1
公开(公告)日：2020-11-05
申请号：US16932890
申请日：2020-07-20
Applicant: TDK CORPORATION
Inventor： Shunji AOKI , Yuya ISHIMA , Hajime KATO , Yuto SHIGA , Kazuya TOBITA , Youichi KAZUTA , Satoru OKAMOTO
Abstract: A laminated electronic component includes an element body and a pair of conductors. The element body is formed by laminating a plurality of element-body layers in a first direction. The pair of conductors is formed by laminating a plurality of conductor layers in the first direction. The pair of conductors is provided to the element body in such a way as to be separated from each other in a second direction orthogonal to the first direction. At a cross section orthogonal to the first direction, the pair of conductors has an uneven portion and the element body has an uneven portion engaged with the uneven portion of the pair of conductors.
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公开(公告)号：US20200234873A1
公开(公告)日：2020-07-23
申请号：US16746178
申请日：2020-01-17
Applicant: TDK Corporation
Inventor： Hajime KATO , Hidekazu SATO , Makoto YOSHINO , Kazuya TOBITA , Yuto SHIGA , Youichi KAZUTA , Noriaki HAMACHI
Abstract: A multilayer coil component 1 includes an element body 2, a coil 8, and a terminal electrode 4 and a terminal electrode 5. Each of the terminal electrode 4 and the terminal electrode 5 is disposed over at least the end surfaces 2a and 2b and a main surface 2d. Each of the terminal electrode 4 and the terminal electrode 5 and at least a part of the coil 8 overlap when viewed from the facing direction of the pair of side surfaces 2e and 2f. Each of the terminal electrode 4 and the terminal electrode 5 and the coil 8 do not overlap when viewed from the facing direction of the pair of end surfaces 2a and 2b.
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公开(公告)号：US20200234865A1
公开(公告)日：2020-07-23
申请号：US16840732
申请日：2020-04-06
Applicant: TDK CORPORATION
Inventor： Shunji AOKI , Yuya ISHIMA , Hajime KATO , Yuto SHIGA , Kazuya TOBITA , Youichi KAZUTA , Satoru OKAMOTO
Abstract: A laminated electronic component includes an element body and a pair of conductors. The element body is formed by laminating a plurality of element-body layers in a first direction. The pair of conductors is formed by laminating a plurality of conductor layers in the first direction. The pair of conductors is provided to the element body in such a way as to be separated from each other in a second direction orthogonal to the first direction. At a cross section orthogonal to the first direction, the pair of conductors has an uneven portion and the element body has an uneven portion engaged with the uneven portion of the pair of conductors.
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