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公开(公告)号：US11127529B2
公开(公告)日：2021-09-21
申请号：US16843228
申请日：2020-04-08
Applicant: TDK CORPORATION
Inventor： Yuya Oshima , Makoto Yoshino , Yoji Tozawa , Junichi Otsuka , Kazuo Iwai , Yohei Tadaki , Shinichi Kondo , Kazuhiro Ebina , Mamoru Kawauchi
Abstract: A method of manufacturing a laminated coil component is a method of manufacturing a laminated coil component provided with a laminate obtained by laminating a coil conductor forming a spiral coil and an insulator layer. The method of manufacturing a laminated coil component includes a step of providing a conductor pattern configured to become a coil conductor on a green sheet configured to become an insulator layer, and a step of laminating a plurality of green sheets provided with the conductor pattern. The conductor pattern includes a pair of first side surfaces opposed to each other in an orthogonal direction orthogonal to a laminating direction of the green sheet. At the step of laminating a plurality of green sheets, a depression is formed on at least one of the pair of first side surfaces.
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公开(公告)号：US12217897B2
公开(公告)日：2025-02-04
申请号：US17368332
申请日：2021-07-06
Applicant: TDK CORPORATION
Inventor： Yuya Oshima , Junichi Otsuka , Shinichi Kondo , Yohei Tadaki , Kazuo Iwai , Masayuki Suzuki , Emiri Matsuhashi , Takuya Niibori
Abstract: A multilayer coil component includes an element body, first and second coils, and a pair of external electrodes. The element body includes a plurality of insulator layers laminated in a first direction. The element body has a pair of end surfaces opposing each other in a second direction orthogonal to the first direction. The first coil and the second coil are disposed in the element body and respectively have coil shafts along the second direction. The pair of external electrodes are disposed on the pair of end surfaces and electrically connected to both ends of the first coil and the second coil. The first coil includes a first conductor layer, a second conductor layer, and a first through hole conductor. The coil shaft of the first coil is disposed inside the second coil.
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公开(公告)号：US11189413B2
公开(公告)日：2021-11-30
申请号：US16158779
申请日：2018-10-12
Applicant: TDK CORPORATION
Inventor： Yuya Oshima , Shinichi Kondo , Junichi Otsuka , Yohei Tadaki , Kazuo Iwai , Masayuki Suzuki , Shigeshi Osawa , Kazuhiro Ebina , Makoto Yoshino , Mamoru Kawauchi
Abstract: First internal conductors are separated from each other in a first direction. Each of the first internal conductors includes a coil portion and a pad portion having a width larger than a width of the coil portion. The pad portions adjacent to each other in the first direction are connected to each other via a through-hole conductor and overlap each other when viewed from the first direction. When viewed from the first direction, each of the coil portions includes a first portion not overlapping the pad portion adjacent in the first direction and a second portion overlapping a part of the pad portion adjacent in the first direction. A second internal conductor is disposed on the same layer as the second portion and is positioned to overlap a portion of the pad portion adjacent in the first direction not overlapping the second portion when viewed from the first direction.
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公开(公告)号：US10665388B2
公开(公告)日：2020-05-26
申请号：US15725129
申请日：2017-10-04
Applicant: TDK CORPORATION
Inventor： Yuya Oshima , Makoto Yoshino , Yoji Tozawa , Junichi Otsuka , Kazuo Iwai , Yohei Tadaki , Shinichi Kondo , Kazuhiro Ebina , Mamoru Kawauchi
Abstract: A method of manufacturing a laminated coil component is a method of manufacturing a laminated coil component provided with a laminate obtained by laminating a coil conductor forming a spiral coil and an insulator layer. The method of manufacturing a laminated coil component includes a step of providing a conductor pattern configured to become a coil conductor on a green sheet configured to become an insulator layer, and a step of laminating a plurality of green sheets provided with the conductor pattern. The conductor pattern includes a pair of first side surfaces opposed to each other in an orthogonal direction orthogonal to a laminating direction of the green sheet. At the step of laminating a plurality of green sheets, a depression is formed on at least one of the pair of first side surfaces.
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