摘要 |
The present invention discloses a security element comprising a transparent substrate and a magnetically oriented image coating on said substrate, wherein said image coating is preferably laid out such as to show a 3-dimensional effect, appearing in positive or negative relief respectively, if observed form the recto- or the verso side, respectively. The security element can be easily identified by the unaided eye, by just turning around the document and observing the angle-dependent image on either side. On the other hand, the security element cannot be reproduced by scanning or copying the document. |
申请人 |
SICPA HOLDING S.A.;DESPLAND, CLAUDE-ALAIN;SCHMID, MATHIEU;DEGOTT, PIERRE;MUELLER, EDGAR;STICHELBERGER, ALBERT |
发明人 |
DESPLAND, CLAUDE-ALAIN;SCHMID, MATHIEU;DEGOTT, PIERRE;MUELLER, EDGAR;STICHELBERGER, ALBERT |