US 11,742,109 B2
Flexible flat cable and method of producing the same
Bumhee Bae, Suwon-si (KR); Youngkun Kwon, Suwon-si (KR); Minseok Kim, Suwon-si (KR); Younho Kim, Suwon-si (KR); Changwon Jang, Suwon-si (KR); and Jeongnam Cheon, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Oct. 20, 2022, as Appl. No. 17/969,757.
Application 17/969,757 is a continuation of application No. 16/749,419, filed on Jan. 22, 2020, granted, now 11,482,350.
Claims priority of application No. 10-2019-0019097 (KR), filed on Feb. 19, 2019.
Prior Publication US 2023/0043511 A1, Feb. 9, 2023
Int. Cl. H01B 7/08 (2006.01); H05K 1/02 (2006.01); H05K 1/14 (2006.01); H01B 13/00 (2006.01)
CPC H01B 7/08 (2013.01) [H01B 13/0036 (2013.01); H05K 1/0218 (2013.01); H05K 1/148 (2013.01); H05K 2201/058 (2013.01); H05K 2201/0715 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A flexible flat cable, comprising:
a first insulation portion comprising an insulating material;
a ground disposed on a first surface of the first insulation portion;
a first signal transmission line and a second signal transmission disposed at predetermined intervals to a first direction of the ground disposed on the first surface of the first insulation portion;
a third signal transmission line disposed to a second direction of the ground disposed on the first surface of the first insulation portion;
a second insulation portion comprising an insulating material disposed on at least a portion of a top surface of the ground, at least a portion of a top surface of the first signal transmission line, at least a portion of a top surface of the second signal transmission line, and at least a portion of the first surface of the first insulation portion;
a third insulation portion comprising an insulating material disposed on at least a portion of the top surface of the ground, at least a portion of a top surface of the third signal transmission line, and at least a portion of the first surface of the first insulation portion, wherein the third insulation portion is separated from the second insulation portion by the ground;
a conductive adhesive layer configured to enclose the first insulation portion, the second insulation portion, and the third insulation portion; and
a shielding portion comprising a shielding material adhered to the outside of the conductive adhesive layer.