Screentrap

    55

    A security feature that is integrated in the background printing and consists of structures that are modulated in terms of direction and angle. When the feature is photo-copied, the structures become visible (or invisible).

    This anti-copy security feature consists of a regular line pattern in the background printing. The pattern creates a moire effect when copied.

    + posts
    Previous articleScreen Angle Modulation
    Next articleVarifeye