MAGNETIC CORE AND MAGNETIC ELEMENT COMPRISING SAME

    公开(公告)号:US20230136055A1

    公开(公告)日:2023-05-04

    申请号:US17905240

    申请日:2021-02-23

    Abstract: The present invention relates to a magnetic core capable of precisely maintaining the size of a gap, and to a magnetic element comprising same. A magnetic core according to one embodiment comprises: an upper core having at least a first outer leg and a second outer leg; a lower core having at least a third outer leg facing the first outer leg and a fourth outer leg facing the second outer leg; outer leg gap parts disposed between the first outer leg and the third outer leg, and between the second outer leg and the fourth outer leg. The outer leg gap parts may comprise: an adhesive; and a plurality of spherical fillers dispersed in the adhesive.

    Motor
    13.
    发明授权
    Motor 有权

    公开(公告)号:US11289961B2

    公开(公告)日:2022-03-29

    申请号:US16649912

    申请日:2018-09-21

    Abstract: An embodiment provides a motor comprising: a stator including a through hole; a cylindrical rotor which is disposed in the through hole; a rotor center shaft which is formed in the central region of the rotor and to which a rotary shaft is coupled; and a first magnet and a second magnet which are disposed between the stator and the rotor, wherein: the rotor includes an outer contour portion and a patterned portion formed between the outer contour portion and the rotor center shaft; the patterned portion includes a plurality of unit patterns and a hollow portion formed in each of the unit patterns; the outer contour portion includes an outer circumferential surface on which the first magnet and the second magnet are disposed and an inner circumferential surface which comes in contact with the plurality of unit patterns; the inner circumferential surface of the outer contour portion further includes a first protrusion portion protruding in a first direction toward the rotor center shaft; and in the first direction, the maximum length of the first protrusion portion is greater than the maximum length of each of the unit patterns.

    Electromagnetic Wave Shielding Structure
    19.
    发明申请

    公开(公告)号:US20180132391A1

    公开(公告)日:2018-05-10

    申请号:US15569011

    申请日:2016-04-22

    CPC classification number: H05K9/0088 H05K9/0026

    Abstract: According to an embodiment, provided is an electromagnetic wave shielding structure comprising: a shielding structure encompassing an electromagnetic wave generation source, and having a surface roughness on a surface thereof; and an electromagnetic wave shielding metal layer arranged on the surface of the shielding structure so as to encompass the shielding structure, wherein the upper side and the lateral side of the shielding structure have different surface roughness.

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