Patent ID: 8779294

Claim:
A flexible flat cable comprising conductors and insulating films applied over the conductors, wherein said conductor is comprised of 4 to 25 mass-ppm of Ti, 3 to 12 mass-ppm of sulfur, more than 2 mass-ppm and less than or equal to 30 mass-ppm of oxygen, and the balance being inevitable impurity and copper, wherein said Ti and sulfur are dispersed in crystal grains of said copper in a form of TiO, TiO 2 , TiS and Ti—O—S as chemical compounds or aggregations, wherein said conductor has such a recrystallized texture that the size of crystal grains in the inner area of said conductor is larger than that of crystal grains in the surface-layer thereof, and wherein both sides of said conductor are sandwiched between insulating films.