US 9,813,114 B2
Sheet for shielding electromagnetic waves for wireless charging element
Seung Hee Oh, Suwon-si (KR); Doo Ho Park, Suwon-si (KR); Jung Young Cho, Suwon-si (KR); Jong Ho Chung, Suwon-si (KR); Jung Wook Seo, Suwon-si (KR); Sung Yeol Park, Suwon-si (KR); Sung Nam Cho, Suwon-si (KR); and Seung Min Lee, Suwon-si (KR)
Assigned to SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-Si, Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si, Gyeonggi-do (KR)
Filed on Apr. 28, 2016, as Appl. No. 15/141,074.
Claims priority of application No. 10-2015-0072175 (KR), filed on May 22, 2015; application No. 10-2015-0113827 (KR), filed on Aug. 12, 2015; and application No. 10-2016-0011708 (KR), filed on Jan. 29, 2016.
Prior Publication US 2016/0345474 A1, Nov. 24, 2016
Int. Cl. H04B 5/00 (2006.01); H02J 7/02 (2016.01); H02J 50/10 (2016.01)
CPC H04B 5/0025 (2013.01) [H04B 5/0031 (2013.01); H04B 5/0037 (2013.01); H02J 7/025 (2013.01); H02J 50/10 (2016.02)] 25 Claims
OG exemplary drawing
 
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, 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.