DEVICE FOR PROTECTING AND PROVING THE AUTHENTICITY OF AN OBJECT OR DOCUMENT AND/OR MAKING A PACKAGING TAMPER-EVIDENT

摘要

The present invention relates to a device (1) for proving the authenticity of an object or document (30), preventing forgery of or tampering with the object or document (30), and making a packaging tamper-evident. The device (1) comprises a transparent or opaque pressure-sensitive adhesive (2) including one surface (3) made adhesive by means of an adhesive layer (100) as well as solid particles (4) coated with a dye (61) mixed or coated with a dye fixing agent (62) that melts at a predetermined temperature or in the presence of certain solvents, whereby the dye (61) can be deactivated.