Hybrid metal sheet for magnetic shielding and wireless power transmission module including same
AssigneeAmosense Co., Ltd.
InventorsHyun Chul Lim, Kil Jae Jang
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Abstract
Provided are a hybrid metal sheet for magnetic shielding and a wireless power transmission module including the same. The hybrid metal sheet for magnetic shielding according to an embodiment of the present invention comprises: a first sheet layer made of a ribbon sheet of an amorphous alloy having a first width; and a plurality of second sheet layers stacked in multiple layers on one side of the first sheet layer, wherein the second sheet layer may be a sheet layer formed by arranging a plurality of divided sheets having a second width narrower than the first width and made of a ribbon sheet of a nano-crystal alloy on the same plane.
Claims13
A hybrid metal sheet for magnetic field shielding comprising
- a first sheet layer made of a ribbon sheet of an amorphous alloy having a first width;
- and
- a plurality of second sheet layers laminated in multiple layers on one surface of the first sheet layer;
- wherein the second sheet layer is a sheet layer formed by arranging a plurality of divided sheets of a ribbon sheet of a nano-crystal alloy on the same plane and has a second width narrower than the first width.
A wireless power transmission module comprising:
- an antenna unit including at least one antenna for wireless power transmission;
- and the hybrid metal sheet for magnetic field shielding disposed on a surface of the antenna unit.
The wireless power transmission module of claim 12, wherein the antenna unit further includes at least one other antenna using a different frequency band than the antenna for wireless power transmission.
Dependencies are inferred from the claim text.