SHEET FOR SHIELDING ELECTROMAGNETIC WAVES FOR WIRELESS CHARGING AND METHOD OF MANUFACTURING THE SAME
First Claim
Patent Images
1. A sheet to shield electromagnetic waves for wireless charging, comprising:
- a base part; and
a magnetic material embedded in the base part,wherein a density of the magnetic material in a region of the magnetic material corresponding to a shape of a coil of a reception coil member or a transmission coil member and a region of the magnetic material corresponding to an inner side of the coil is higher than a density of the magnetic material in other regions of the magnetic material.
1 Assignment
0 Petitions
Accused Products
Abstract
A sheet to shield electromagnetic waves for wireless charging includes: a base part formed of a resin; and a magnetic material embedded in the base part, wherein a density of the magnetic material in a region of the magnetic material corresponding to a shape of a coil of a reception coil member or a transmission coil member and a region of the magnetic material corresponding to an inner side of the coil is higher than a density of the magnetic material in other regions of the magnetic material.
14 Citations
20 Claims
-
1. A sheet to shield electromagnetic waves for wireless charging, comprising:
-
a base part; and a magnetic material embedded in the base part, wherein a density of the magnetic material in a region of the magnetic material corresponding to a shape of a coil of a reception coil member or a transmission coil member and a region of the magnetic material corresponding to an inner side of the coil is higher than a density of the magnetic material in other regions of the magnetic material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A method to manufacture a sheet for shielding electromagnetic waves for wireless charging, comprising:
-
mixing resin powder particles with a magnetic material to form a mixture; melting the mixture; injecting the melted mixture into a mold; and adjusting a density of the magnetic material by forming a magnetic field through a magnet installed in the mold to change a position of the magnetic material. - View Dependent Claims (11, 12, 13, 14, 15, 16)
-
-
17. A wireless power reception apparatus, comprising:
-
a base part; a wireless power reception coil; and a magnetic material embedded in the base part, wherein a density of the magnetic material in a region of the magnetic material corresponding to a shape of the wireless power reception coil and a region of the magnetic corresponding to an inner side of the wireless power reception coil is higher than a density of the magnetic material in other regions of the magnetic material. - View Dependent Claims (18, 19, 20)
-
Specification