An RFID tag mounting circuit board has a configuration in which an RFIC chip, a minimum antenna, a circuit which matches the impedance of the RFIC chip and that of the antenna are mounted on a printed circuit board. With this configuration, the area occupied by the antenna of an RFID tag is suppressed,...http://www.google.es/patents/US8049626?utm_source=gb-gplus-sharePatente US8049626 - RFID tag mounting circuit board
