Chipless RFID Structure, Cap, Can and Packaging Material, Stacked Film For Preventing Forgery, Method For Fabricating the Same; RFID Tag, RFID System and Method For Controlling the Same; Certificate for Chipless RFID and Method For Authenticating the Same

摘要

The present invention relates to an RFID (Radio Frequency Identification) structure changing color according to the temperature, a method for fabricating thereof; a stacked film for preventing forgery, a method for fabricating thereof; an RFID tag, an RFID system and a method for controlling thereof; an RFID cap, a method for manufacturing thereof, a method for manufacturing container with contents; an RFID can, a method for manufacturing thereof; a packaging material, a method for manufacturing thereof, and a method for packaging product using the same; and a certificate for chipless RFID and a method for authenticating the same.