Importance

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Abstract

The present invention relates to a flexible flat cable including a plurality of conductive wires disposed between an upper film and a lower film, in which the conductive wires are fixed by a first thermal bonding resin of the upper film and a second thermal bonding resin of the lower film, an air gap is formed between the conductive wires, and a side end of the upper film and a side end of the lower film are bonded by the first thermal bonding resin and the second thermal bonding resin. Further, a length (L1) of the conductive wires is equal to a length of the lower film, so that an end portion of the conductive wires matches with an end portion of the lower film, the length (L1) of the conductive wires is longer than a length (L2) of the upper film, so that an exposed connection end of the conductive wires is exposed outward from an end portion of the upper film, a thermal-pressed end for pressing the air gap is formed at the end portion of the upper film by thermally pressing the end portion of the upper film so as to prevent a plating solution from entering the air gap in a plating process, and the first thermal bonding resin applied to the thermal-pressed end of the upper film and the second thermal bonding resin of the lower film are bonded to each other so as to surround a periphery of the conductive wires.

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First Claim