DATA CARRIER WITH OPTICAL ALTERNATING ELEMENT

摘要

The invention relates to a data carrier with opticalalternating element with relief stamped raster combined with somecoating in contrast with the surface of the carrier so thatdifferent optically alternating effects are produced underdifferent angles. The relief stamped raster and/or coating aremade in such a way that identification or additional effects areproduced and are suitable for the determination of theinadulteration of the information carrier but cannot be reproducedgenerally or reliably by means of copying techniques.32 claims, 29 figures