IDENTIFICATION MARK COMPRISING AN OPTICALLY AND ELECTRONICALLY READABLE MARKING

摘要

Authenticity/security identification mark consisting of an optical marking and an (acoustic/electro)magnetic marking. The optical marking can comprise a hologram. Said two identification marks are produced as a single entity during the production in a number of immediately successive steps. During this process a layer of soft magnetic material is provided with an additional layer of metal which contains the hologram.