In a wireless IC tag, metallic antennas are deposited as thin films on the front and back surfaces of a spacer, made of a heat-resistant glass epoxy material having a desired dielectric constant, to form a first antenna and a second antenna. An IC chip is mounted in the center of the first antenna. The...http://www.google.de/patents/US20050140512?utm_source=gb-gplus-sharePatent US20050140512 - Wireless IC tag, and method and apparatus for manufacturing the same
