A ultra-thin flexible durable radio frequency plastic of other substrate identification device, such as cards, tags, badges, bracelets and labels including at least one electronic element embedded therein and a hot or cold lamination process for the manufacture of radio frequency identification devices...http://www.google.de/patents/US6441736?utm_source=gb-gplus-sharePatent US6441736 - Ultra-thin flexible durable radio frequency identification devices and hot or cold lamination process for the manufacture of ultra-thin flexible durable radio frequency identification devices
