SHEET FOR SHIELDING AGAINST ELECTROMAGNETIC WAVES AND WIRELESS POWER CHARGING DEVICE
First Claim
Patent Images
1. A sheet for shielding against electromagnetic waves, the sheet comprising:
- a first magnetic material having a plurality of through holes formed in a thickness direction; and
a second magnetic material filling the plurality of through holes and blocking a frequency band different from that of electromagnetic waves blocked by the first magnetic material.
2 Assignments
0 Petitions
Accused Products
Abstract
A sheet for shielding against electromagnetic waves includes a first magnetic material having a plurality of through holes formed in a thickness direction, and a second magnetic material filling the plurality of through holes and blocking a frequency band different from that of electromagnetic waves blocked by the first magnetic material.
-
Citations
21 Claims
-
1. A sheet for shielding against electromagnetic waves, the sheet comprising:
-
a first magnetic material having a plurality of through holes formed in a thickness direction; and a second magnetic material filling the plurality of through holes and blocking a frequency band different from that of electromagnetic waves blocked by the first magnetic material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. A wireless power charging device comprising:
-
a coil unit; and an electromagnetic wave blocking sheet disposed between the coil unit and an external battery having a first magnetic material having plurality of through holes formed in a thickness direction, and a second magnetic material filling the plurality of through holes and blocking a frequency band different from that of an electromagnetic wave blocked by the first magnetic material.
-
-
18. A sheet for shielding against electromagnetic waves, the sheet comprising:
-
a first magnetic material blocking a first frequency band of electromagnetic waves; and a second magnetic material blocking a second frequency band of electromagnetic waves, wherein the first frequency band is different from the second frequency band. - View Dependent Claims (19, 20, 21)
-
Specification