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公开(公告)号：US20200373077A1
公开(公告)日：2020-11-26
申请号：US16877831
申请日：2020-05-19
Applicant: TDK CORPORATION
Inventor： Kenei ONUMA , Masazumi ARATA , Hitoshi OHKUBO
Abstract: An upper end portion and a lower end portion of a second magnetic portion of a coil component are further away from a coil than when a third part and a fifth part are not present. For this reason, a magnetic flux is unlikely to be concentrated in the upper end portion and the lower end portion of the second magnetic portion, so that magnetic saturation is unlikely to occur. Therefore, improvement of direct current superimposition characteristics is realized in the coil component.
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公开(公告)号：US20190013148A1
公开(公告)日：2019-01-10
申请号：US16027639
申请日：2018-07-05
Applicant: TDK CORPORATION
Inventor： Hitoshi OHKUBO , Masazumi ARATA , Takahiro KAWAHARA , Hokuto EDA , Hiroki TSUJIAI
Abstract: In a planar coil element, since an overlapping portion of a fourth resin wall of a first conductor pattern protrudes from an end surface of a main body portion, restriction on a width of the overlapping portion is relaxed, and the wide overlapping portion is realized. Therefore, an improvement in a withstand voltage between the second external terminal electrode formed on the end surface and an outermost turn of the first conductor pattern is realized. Similarly, regarding the second conductor pattern, the improvement in the withstand voltage between the first external terminal electrode formed on the end surface and an outermost turn of the second conductor pattern is realized.
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公开(公告)号：US20190013145A1
公开(公告)日：2019-01-10
申请号：US16027742
申请日：2018-07-05
Applicant: TDK CORPORATION
Inventor： Hitoshi OHKUBO , Masazumi ARATA , Takahiro KAWAHARA , Hokuto EDA , Hiroki TSUJIAI
Abstract: In a planar coil element, a dead space in a non-overlapping region is reduced by designing a total width of a first resin wall and a first turn located in the non-overlapping region to be narrow, more specifically, by designing the total width to be narrower than a total width of a second turn outside the first turn and a second resin wall located inside the turn and also than a total width of a third turn on the outer side and a third resin wall located inside the turn. As a result, a volume of a magnetic element body in a magnetic core portion of a coil can be increased, and an, inductance value, which is a magnetic characteristic, can also be improved.
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公开(公告)号：US20130257576A1
公开(公告)日：2013-10-03
申请号：US13757134
申请日：2013-02-01
Applicant: TDK CORPORATION
Inventor： Masazumi ARATA , Yoji TOZAWA , Takashi ENDO , Toshiki SATOH , Takuya KAMEI
IPC: H01F27/28
CPC classification number: H01F27/2804 , H01F17/0013 , H01F27/292
Abstract: A multilayer coil component has an element body, a coil, a pair of first external electrodes, a pair of second external electrodes, a first connection conductor, and a second connection conductor. The coil is composed of a plurality of internal conductors arranged in the element body and connected to each other. The first external electrodes are arranged on a first principal face of the element body. The second external electrodes are arranged on the first principal face. The first connection conductor is arranged between the coil and the first external electrodes in the element body and is connected to one end of the coil and to the first external electrodes. The second connection conductor is arranged between the coil and the second external electrodes in the element body and is connected to the other end of the coil and to the second external electrodes.
Abstract translation: 多层线圈部件具有元件主体，线圈，一对第一外部电极，一对第二外部电极，第一连接导体和第二连接导体。 线圈由布置在元件体中并连接的多个内部导体构成。 第一外部电极布置在元件主体的第一主面上。 第二外部电极设置在第一主面上。 第一连接导体配置在线圈与元件主体的第一外部电极之间，并且与线圈的一端和第一外部电极连接。 第二连接导体布置在元件体中的线圈和第二外部电极之间，并且连接到线圈的另一端和第二外部电极。
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