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MAGNETIC FIELD SHIELDING SHEET AND WIRELESS POWER TRANSMITTING MODULE INCLUDING SAME

  • US 20180279517A1
  • Filed: 12/29/2015
  • Published: 09/27/2018
  • Est. Priority Date: 01/05/2015
  • Status: Active Grant
First Claim
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1. A magnetic field shielding sheet, which is applied to a combo-type antenna unit including at least two antennas using magnetic fields of different frequency bands, the magnetic field shielding sheet comprising:

  • a first sheet layer configured to shield a magnetic field of a first frequency band and concentrate the magnetic field in a designated direction and including a metal component;

    a second sheet layer configured to shield a magnetic field of a second frequency band and concentrate the magnetic field in a designated direction; and

    a micro-piece separation and oxidation preventing member provided on a side surface of the first sheet layer to prevent separation of a micro-piece from the side surface of the first sheet layer or prevent oxidation of the side surface.

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