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    SOFT MAGNETIC ALLOY
    12.
    发明申请
    SOFT MAGNETIC ALLOY 审中-公开

    公开(公告)号：US20180286547A1

    公开(公告)日：2018-10-04

    申请号：US15767576

    申请日：2016-10-14

    Applicant: LG INNOTEK CO., LTD.

    Inventor： So Yeon KIM ,  Seok BAE ,  Jai Hoon YEOM ,  Sang Won LEE ,  Jong Soo HAN ,  Hyo Yun JUNG

    IPC: H01F1/153 ,  H01F1/147 ,  H01Q1/52 ,  C22C45/02 ,  C22C38/02

    Abstract: A soft magnetic alloy according to an embodiment of the present invention has a composition of Formula below: FeaXbYcZd   [Formula] wherein, in the above Formula, X includes at least one of silicon (Si) and phosphorus (P), Y includes carbon (C), Z includes at least one of boron (B), nitrogen (N), aluminum (Al), titanium (Ti), zirconium (Zr), hafnium (Hf), niobium (Nb), tantalum (Ta), chromium (Cr), molybdenum (Mo), cobalt (Co), and nickel (Ni), a ranges from 78 at % to 95.75 at %, b ranges from 2 at % to 16 at %, c ranges from 2 at % to 8 at %, and d ranges from 0.25 at % to 10 at %.

    FERRITE CORE AND COIL COMPONENT COMPRISING SAME
    16.
    发明申请
    FERRITE CORE AND COIL COMPONENT COMPRISING SAME 有权

    公开(公告)号：US20210035717A1

    公开(公告)日：2021-02-04

    申请号：US16965109

    申请日：2019-01-28

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Hyun Ji LEE ,  Jai Hoon YEOM ,  Sung Hoon KIM ,  Seok BAE ,  Sang Won LEE

    IPC: H01F1/11 ,  H01F27/28 ,  H01F27/24

    Abstract: A ferrite core according to an embodiment of the present invention includes a plurality of grains including Mn at 30 to 40 mol %, Zn at 5 to 15 mol %, and Fe at 50 to 60 mol %, and a plurality of grain boundaries disposed between the plurality of grains, wherein the plurality of grains and the plurality of grain boundaries include Co, Ni, SiO2, CaO, and Ta2O5, content of the Co and the Ni in the plurality of grains is two or more times higher than content of the Co and the Ni in the plurality of grain boundaries, content of the SiO2, the CaO, and the Ta2O5 in the plurality of grain boundaries is two or more times higher than content of the SiO2, the CaO, and the Ta2O5 in the plurality of grains, a magnetic permeability is 3000 or more, and a core loss is 800 or less.

    WIRELESS POWER TRANSMITTER AND RECEIVER
    19.
    发明申请
    WIRELESS POWER TRANSMITTER AND RECEIVER 审中-公开

    公开(公告)号：US20190027954A1

    公开(公告)日：2019-01-24

    申请号：US16070188

    申请日：2016-12-09

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Sang Hak LEE ,  Sang Won LEE ,  Myeong Jae JEONG

    IPC: H02J7/02 ,  H02J50/70 ,  H02J50/80 ,  H05K9/00 ,  H02J5/00

    Abstract: A wireless power transmitter, which transfers wireless power to a wireless power receiver, according to an embodiment includes: an accommodation part configured to accommodate the wireless power receiver; a transfer coil configured to surround the accommodation part in the form of a solenoid; a shield unit configured to surround the transfer coil in the form of the solenoid; an electromagnet disposed on a lower end of the accommodation part to fix the wireless power receiver; and a control unit configured to determine whether to transfer the wireless power to the wireless power receiver through the transfer coil, wherein the control unit controls the electromagnet so that the wireless power receiver is separated from the accommodation part due to a release of attractive force or repulsive force between the electromagnet and a metal body of the wireless power receiver when the wireless power is not transferred.

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