Disclosed herein is a non-contact information recording medium for ink-jet recording, on and from which information can be recorded and read in a non-contact state from the outside, comprising an electronic information storing circuit part and an image recording part, wherein at least part of the electronic...http://www.google.com.hk/patents/US6977112?utm_source=gb-gplus-share專利 US6977112 - Non-contact information recording medium for ink-jet recording and image forming process