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    LENS HOLDING DEVICE
    1.
    发明申请
    LENS HOLDING DEVICE 有权
    镜头保持装置

    公开(公告)号：US20140307319A1

    公开(公告)日：2014-10-16

    申请号：US14251378

    申请日：2014-04-11

    Applicant: TDK Corporation

    Inventor： Masaru UNO ,  Kazutomo IMI ,  Noriyuki KAWANO ,  Kazuhiko INOUE ,  Masashi GOTOH ,  Osamu OHHATA ,  Shintarou KOIKE ,  Yasuhide YAMASHITA

    IPC: G02B27/64 ,  G02B7/04

    CPC classification number: G02B27/646 ,  G02B7/08 ,  G03B3/10 ,  G03B2205/0069 ,  H04N5/2328

    Abstract: A lens holding unit is held so that it can relatively move with respect to a base part to a direction vertical to an optical axis direction. The lens holding unit has a lens holder, a magnet part, and a spring. The lens holder has a first coil. The magnet part has a first magnet part which includes a first face facing to the first coil and a second magnet part which includes a second face vertical to the first face and constitutes a magnetic domain different from that of the first magnet part. These first magnet part and second magnet part are integrated.

    Abstract translation: 保持透镜保持单元，使得其能够相对于基部相对于与光轴方向垂直的方向相对移动。 透镜保持单元具有透镜架，磁体部和弹簧。 透镜架具有第一线圈。 磁体部分具有第一磁体部分，其包括面向第一线圈的第一面和第二磁体部分，其包括垂直于第一面的第二面，并且构成与第一磁体部不同的磁畴。 这些第一磁体部分和第二磁体部分被集成。

    Composite particles, core, and electronic component
    5.
    发明申请
    Composite particles, core, and electronic component 有权

    公开(公告)号：US20210335526A1

    公开(公告)日：2021-10-28

    申请号：US17242924

    申请日：2021-04-28

    Applicant: TDK CORPORATION

    Inventor： Yasuhide YAMASHITA ,  Kotaro TERAO ,  Shinsuke HASHIMOTO

    IPC: H01F1/34

    Abstract: A core can be used for an electronic component, and composite particles constitute the core. The composite particles contain magnetic large particles, small particles directly or indirectly attached to surfaces of the large particles and have an average particle size smaller than an average particle size of the large particles, and a mutual buffer film covering at least part of the surfaces of the large particles located between the small particles existing around the large particles. When the average particle size of the large particles is R, the average particle size of the small particles is r, and an average thickness of the mutual buffer film is t, (r/R) is 0.0012 or more and 0.025 or less, (t/r) is larger than 0 and 0.7 or less, and r is 12 nm or more and 100 nm or less.

    INDUCTOR ELEMENT
    6.
    发明申请
    INDUCTOR ELEMENT 审中-公开

    公开(公告)号：US20180322997A1

    公开(公告)日：2018-11-08

    申请号：US15967769

    申请日：2018-05-01

    Applicant: TDK CORPORATION

    Inventor： Yasuhide YAMASHITA ,  Katsushi YASUHARA ,  Chiomi SATO

    IPC: H01F27/255 ,  H01F27/28

    CPC classification number: H01F27/255 ,  H01F27/02 ,  H01F27/2823

    Abstract: An inductor element includes a wire-winding portion and a core portion. In the wire-winding portion, a conductor is wound in a coil shape. The core portion surrounds the wire-winding portion and contains a magnetic powder and a resin. The wire-winding portion includes an inner circumferential surface. A winding-wire inner circumferential neighboring region is a region of the core portion within a distance from the inner circumferential surface toward a winding axis of the wire-winding portion. An inner-core central region is a region of the core portion within a distance from the winding axis center toward an existing region of the wire-winding portion in an outward direction perpendicular to the winding axis center. Sα−Sβ1≥5.0% is satisfied, where Sα(%) and Sβ1 (%) are respectively an area ratio of a magnetic powder in the inner-core central region and the winding-wire inner circumferential neighboring region.

    ELEMENT BODY, CORE, AND ELECTRONIC COMPONENT
    8.
    发明申请
    ELEMENT BODY, CORE, AND ELECTRONIC COMPONENT 有权

    公开(公告)号：US20210391112A1

    公开(公告)日：2021-12-16

    申请号：US17242494

    申请日：2021-04-28

    Applicant: TDK CORPORATION

    Inventor： Yasuhide YAMASHITA ,  Kotaro TERAO ,  Shinsuke HASHIMOTO

    IPC: H01F27/255 ,  B22F1/02 ,  H01F3/08

    Abstract: An electronic component having excellent DC superimposition characteristic and initial magnetic permeability, a core used for the electronic component, and a element body constituting the core are provided. The element body has magnetic large particles and at least one spacer region, wherein one or more small particles having an average particle size smaller than that of the magnetic large particles exist as spacers to form the spacer region between the large particles in a field of view within a predetermined range where 10 or more and 40 or less of the large particles are observable in a cross section of the element body.

    INDUCTOR ELEMENT
    9.
    发明申请
    INDUCTOR ELEMENT 审中-公开

    公开(公告)号：US20200328021A1

    公开(公告)日：2020-10-15

    申请号：US16841951

    申请日：2020-04-07

    Applicant: TDK CORPORATION

    Inventor： Yasuhide YAMASHITA ,  Chiomi SATO

    IPC: H01F27/255 ,  B29C43/18 ,  H01F27/02 ,  H01F41/04 ,  H01F17/04 ,  H01F3/08

    Abstract: The present invention is an inductor element having a conductor wound in a coil form, and a core part surrounding the coil and including a magnetic powder and a resin. The core part includes a top board part and a bottom board part respectively covering both ends of the coil, and an outer circumference part positioned at an outer circumference side of the coil, and a resin content of the outer circumference part is larger than a resin content of the top board part and also larger than a resin content of the bottom board part.

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