US 12,354,770 B2
Flexible flat cable
Chih-Jung Chen, New Taipei (TW)
Assigned to Ying Hao Technology CO., LTD., New Taipei (TW)
Filed by Ying Hao Technology CO., LTD., New Taipei (TW)
Filed on Mar. 18, 2023, as Appl. No. 18/186,153.
Claims priority of application No. 111204464 (TW), filed on Apr. 29, 2022.
Prior Publication US 2023/0352209 A1, Nov. 2, 2023
Int. Cl. H01B 7/08 (2006.01); H01B 19/04 (2006.01); H01B 3/44 (2006.01)
CPC H01B 7/0861 (2013.01) [H01B 7/0823 (2013.01); H01B 19/04 (2013.01); H01B 3/447 (2013.01)] 29 Claims
OG exemplary drawing
 
1. A flexible flat cable, comprising:
a plurality of bare wires, an upper bonding adhesive layer, a lower bonding adhesive layer, an upper laminating adhesive layer, a lower laminating adhesive layer, an upper metal shielding layer, and a lower metal shielding layer;
wherein the bare wires are arranged in parallel with a fixed pitch between two adjacent bare wires, the upper bonding adhesive layer is located on an upper side of the bare wires, the lower bonding adhesive layer is located on a lower side of the bare wires, and the upper bonding adhesive layer and the lower bonding adhesive layer are bonded together, so that the bare wires are being sandwiched, wherein the upper metal shielding layer is located on an upper side of the upper bonding adhesive layer and is adhesively attached to the upper bonding adhesive layer through the upper laminating adhesive layer directly laminated on and in contact with the upper bonding adhesive layer, and the lower metal shielding layer is located on a lower side of the lower bonding adhesive layer and is adhesively attached to the lower bonding adhesive layer through the lower laminating adhesive layer directly laminated on and in contact with the lower bonding adhesive layer;
wherein the upper bonding adhesive layer and the upper laminating adhesive layer are individually provided, the lower bonding adhesive layer and the lower laminating adhesive layer are individually provided, and the upper and lower bonding adhesive layers and the upper and lower laminating adhesive layers are employed as insulating material layers.