A novel thin and flexible radio frequency (RF) tag has a semiconductor circuit with logic, memory, and a radio frequency circuits, connected to an antenna with all interconnections placed on a single plane of wiring without crossovers. The elements of the package (substrate, antenna, and laminated covers)...http://www.google.es/patents/US5528222?utm_source=gb-gplus-sharePatente US5528222 - Radio frequency circuit and memory in thin flexible package
Radio frequency circuit and memory in thin flexible package
