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公开(公告)号：US11482350B2
公开(公告)日：2022-10-25
申请号：US16749419
申请日：2020-01-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bumhee Bae , Youngkun Kwon , Minseok Kim , Younho Kim , Changwon Jang , Jeongnam Cheon
Abstract: Provided are a flexible flat cable and a method of producing the same. The flexible flat cable includes a plate-shaped first insulation portion comprising an insulating material; a first ground, a second ground, and a third ground disposed at predetermined intervals on the first insulation portion; at least one first signal transmission line positioned between the first ground and the second ground and disposed on the first insulation portion; at least one second signal transmission line positioned between the second ground and the third ground and disposed on the first insulation portion; a first second insulation portion disposed on at least a portion of the first ground and at least a portion of the at least one first signal transmission line and the second ground; a second insulation portion disposed on at least a portion of the second ground and at least a portion of the at least one second signal transmission line, and the third ground; a conductive adhesive layer configured to enclose the first insulation portion, the first second insulation portion, and the second insulation portion; and a shielding portion comprising a shielding material adhered to an outside of the conductive adhesive layer. Therefore, by improving shielding efficiency of a plurality of signal transmission lines, while having good electromagnetic interference and crosstalk characteristics, a plurality of signals can be simultaneously transmitted.
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公开(公告)号：US11742109B2
公开(公告)日：2023-08-29
申请号：US17969757
申请日：2022-10-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bumhee Bae , Youngkun Kwon , Minseok Kim , Younho Kim , Changwon Jang , Jeongnam Cheon
CPC classification number: H01B7/08 , H01B13/0036 , H05K1/0218 , H05K1/148 , H05K2201/058 , H05K2201/0715
Abstract: Provided are a flexible flat cable and a method of producing the same. The flexible flat cable includes a plate-shaped first insulation portion comprising an insulating material; a first ground, a second ground, and a third ground disposed at predetermined intervals on the first insulation portion; at least one first signal transmission line positioned between the first ground and the second ground and disposed on the first insulation portion; at least one second signal transmission line positioned between the second ground and the third ground and disposed on the first insulation portion; a first second insulation portion disposed on at least a portion of the first ground and at least a portion of the at least one first signal transmission line and the second ground; a second second insulation portion disposed on at least a portion of the second ground and at least a portion of the at least one second signal transmission line, and the third ground; a conductive adhesive layer configured to enclose the first insulation portion, the first second insulation portion, and the second second insulation portion; and a shielding portion comprising a shielding material adhered to an outside of the conductive adhesive layer. Therefore, by improving shielding efficiency of a plurality of signal transmission lines, while having good electromagnetic interference and crosstalk characteristics, a plurality of signals can be simultaneously transmitted.
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