NON-CONTACT COMMUNICATION SYSTEM INFORMATION CARRIER

摘要

A non-contact communication system information carrier capable of being easily handled, providing an excellent productivity, and providing at a low cost, comprising a core piece (11) formed by installing an IC chip (1) having an antenna coil (3) integrally formed on one face thereof in the recessed part (6) of a core piece body (5), a non-metallic spacer member (14) holding the core piece (11) by fitting the core piece (11) to a fitting part (16) provided at the center part thereof, and a metallic weight adding member (15) connectedly disposed on the spacer member (14) so as to surround the outer periphery thereof, characterized in that the antenna coil (3) and the metallic weight adding member (14) are separated from each other through the spacer member (14).