Chip card for bidirectional data transmission with or without contact

摘要

The card has a body (5) of plastic (e.g. polycarbonate) enclosing an induction coil (3) which is exposed e.g. by machining in the vicinity of a point of connection (2) where a metallic strip is deposited on the substrate (e.g. plastic film) (6) of the module. The connection here is made by anisotropically conductive adhesive (4) deposited over the entire surface and compressed locally so that its embedded microspheres (7) of metallised plastic contact one another between the strip and coil. Such an adhesive enables the body and substrate to be joined when the conductive connection is made by the hot melt method.