MAGNETIC SHEET, WIRELESS CHARGING SHEET AND METHOD FOR MANUFACTURING MAGNETIC SHEET
First Claim
Patent Images
1. A magnetic sheet used in a wireless charging sheet, comprising:
- a metal sheet layer consisting of a plurality of divided segments; and
an insulating material filled in a dividing space between the segments, wherein the magnetic sheet forms a magnetic path of a magnetic field generated around a coil.
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Abstract
The present invention relates to a magnetic sheet, a wireless charging sheet, and a method for manufacturing a magnetic sheet. According to an embodiment of the present invention, a magnetic sheet used in a wireless charging sheet, which includes a metal sheet layer consisting of a plurality of divided segments; and an insulating material filled in a dividing space between the segments and forms a magnetic path of a magnetic field generated around a coil, is provided. Further, a wireless charging sheet and a method for manufacturing a magnetic sheet are provided.
36 Citations
18 Claims
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1. A magnetic sheet used in a wireless charging sheet, comprising:
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a metal sheet layer consisting of a plurality of divided segments; and an insulating material filled in a dividing space between the segments, wherein the magnetic sheet forms a magnetic path of a magnetic field generated around a coil. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless charging sheet comprising:
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a coil layer; a metal body stacked on top or bottom of the coil layer; and a magnetic sheet comprising a metal sheet layer consisting of a plurality of divided segments and an insulating material filled in a dividing space between the segments, and interposed between the coil layer and the metal body to form a magnetic path of a magnetic field generated around the coil layer. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method for manufacturing a magnetic sheet which is used in a wireless charging sheet and forms a magnetic path of a magnetic field generated around a coil, comprising:
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preparing a metal sheet layer and dividing the metal sheet layer into a plurality of segments to be separated at predetermined intervals; and filling an insulating material in a dividing space between the segments. - View Dependent Claims (16, 17, 18)
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Specification