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Magnetic field shielding sheet for a wireless charger, method for manufacturing same, and receiving apparatus for a wireless charger using the sheet

  • US 9,930,818 B2
  • Filed: 11/25/2015
  • Issued: 03/27/2018
  • Est. Priority Date: 12/21/2011
  • Status: Active Grant
First Claim
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1. A hybrid-type magnetic field shield sheet for a portable terminal employing both a near field communications (NFC) function and a wireless charging function, the hybrid-type magnetic field shield sheet comprising:

  • an amorphous sheet separated into a plurality of fine pieces; and

    a ferrite sheet, wherein the amorphous sheet and the ferrite sheet are laminated on an entire surface,wherein a permeability of the ferrite sheet is lower than a permeability of the amorphous sheet.

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