Oriented image coating on transparent substrate

摘要: The present invention discloses a security element comprising transparent substrate and magnetically oriented image coating on said substrate, wherein is preferably laid out such as to show 3-dimensional effect, appearing in positive or negative relief respectively, if observed form the recto- verso side, respectively. can be easily identified by unaided eye, just turning around document observing angle-dependent either side. On other hand, cannot reproduced scanning copying document.