Patent ID: 7047624

Claim:
A method for manufacturing a tag encompassing a coil or antenna shape capable of at least one of wirelessly transmitting information to remote receivers and receiving information from remote transmitters, comprising steps of: die-cutting the coil or antenna shape from an electrically conductive flat double foil having an upper electrically conductive flat foil layer of a soft, inelastic metal and a lower synthetic film substrate layer, the die-cutting including cutting with a die-cutting tool which matches a desired antenna or coil shape, the tool completely perforating the upper electrically conductive flat foil and at least partially separating the lower synthetic film substrate so that an open gap distance is only created in the flat foil layer by die-cutting and remains after the die-cutting tool is removed; and subsequently bonding the cut shape with additional layers including an electronic chip module, wherein the die-cutting tool having narrowly-separated, adjacent twin blades, for the die-cutting step including stamping out a strip of material to be removed from the double foil matching the form of the desired coil or antenna shape.