The invention concerns a method for making smart cards capable of operating with or without contact called mixed cards and contactless smart cards. In order to avoid the risk of deteriorating the antenna the method consists in producing an antenna comprising at least two turns, on a support sheet, said...http://www.google.es/patents/US7740180?utm_source=gb-gplus-sharePatente US7740180 - Method for making smart cards capable of operating with and without contact
Method for making smart cards capable of operating with and without contact
