Sheet for shielding electromagnetic waves for wireless charging element
First Claim
Patent Images
1. A sheet for shielding electromagnetic waves, the sheet comprising:
- a magnetic sheet formed of a metal ribbon,wherein the metal ribbon includes a plurality of cracked portions regularly disposed therein in order to control permeability thereof, andthe plurality of cracked portions include a plurality of metal ribbon fragments having a shape extending radially from a common center point of each respective cracked portion.
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Accused Products
Abstract
A sheet for shielding electromagnetic waves includes a magnetic sheet formed of a metal ribbon. The magnetic sheet includes fractures disposed in a plurality of cracked portions comprising a plurality of metal ribbon fragments.
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Citations
25 Claims
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1. A sheet for shielding electromagnetic waves, the sheet comprising:
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a magnetic sheet formed of a metal ribbon, wherein the metal ribbon includes a plurality of cracked portions regularly disposed therein in order to control permeability thereof, and the plurality of cracked portions include a plurality of metal ribbon fragments having a shape extending radially from a common center point of each respective cracked portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A sheet for shielding electromagnetic waves, the sheet comprising:
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a magnetic sheet formed of a metal ribbon, wherein the magnetic sheet includes fractures disposed in a plurality of cracked portions spaced apart from each other in the magnetic sheet, each of the cracked portions extending outwardly, relative to one surface of the magnetic sheet in regions between the spaced apart cracked portions, as a solid structure having a pyramidal shape or a conical shape from the one surface of the magnetic sheet, and wherein the plurality of racked portions include a plurality of metal ribbon fragments having edges extending radially from a common center point. - View Dependent Claims (10, 11, 12, 13)
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14. A sheet for shielding electromagnetic waves, the sheet comprising:
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a magnetic sheet formed of a metal ribbon, wherein the magnetic sheet includes a plurality of cracked portions arranged at regular intervals on one surface of the magnetic sheet, each cracked portion having a solid structure protruding from the one surface of the magnetic sheet relative to the regions between the cracked portions, and wherein the solid structure of each of the plurality of cracked portions includes a plurality of metal ribbon fragments, and the plurality of metal ribbon fragments have edges extending radially from a common center point of each respective cracked portion. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A sheet for shielding electromagnetic waves, the sheet comprising:
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a magnetic sheet formed of a metal ribbon, wherein the magnetic sheet includes fractures disposed in a plurality of cracked portions, the plurality of cracked portions are regularly formed, a spacing between adjacent cracked portions ranges from 50 μ
m to 1500 μ
m,each cracked portion protrudes from the magnetic sheet relative to one surface of the magnetic sheet in regions between the cracked portions the plurality of cracked portions comprise a plurality of metal ribbon fragments, and the plurality of metal ribbon fragments in each of the plurality of cracked portions form a solid structure protruding from one surface of the magnetic sheet. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification