METHODS FOR INDIVIDUAL IDENTIFICATION OF METAL OBJECTS, SEALING PADS, AND ROLL-SHAPED MATERIALS

Abstract

The invention relates to a radio frequency identification (RFID) tag which can be attached to a coiled material by a simple method and allows a long communication distance to be achieved. On the surface of a metal object (1), an RFID (4) capable of storing the unique identification information of the object is attached to a base (3) made of an insulating metal interleaved between them, and the unique information of the object (1) is made, based on the unique identification information in the RFID (4). The invention also relates to a method for the unique identification of metal objects, sealing pads, and coiled materials.