Thin film battery as body of a chip card

Film-type battery (1) is essentially configured in chip card format and has a cavity (2) for holding a chip card module. Independent claims are also included for the following:- (a) use of a film-type battery as a chip card module and; (b) a method for manufacturing a chip card in which the a film-type battery is produced and a chip card module is implanted in the chip card cavity.