Patent ID: 6861138

Claim:
Electrically conductive, thermoplastic and heat-activatable adhesive film, comprising i) a thermoplastic polymer In a proportion of from 30 to 89.9% by weigth, ii) a) one or more tackifying resins in a proportion of from 5 to 50% by weight or b) epoxy resins with hardeners, with or without accelerators, in a proportion of from 5 to 40% by weight, or c) both said one or more tackifying resins in a proportion of from 5 to 50% by weight and said epoxy resins with hardeners, with or without accelerators, in a proportion of from 5 to 40% by weight, and iii) silver-coated glass beads in a proportion of from 0.1 to 40% by weight, iv) where the diameter of the glass beads is at least equal to the thickness of the adhesive film.