SUPPORT ON WHICH DATA WHICH IS TO BE KEPT SECRET CAN BE APPLIED AND DATA SUPPORT WITH APPLIED DATA WHICH IS TO BE KEPT SECRET

摘要

The invention relates to a support on which data (3A) which is to be kept secret is applied, said support comprising: a substrate (1) and a background applied to the substrate (1), in particular a masking background (2C) consisting of an irregular arrangement of characters, said characters being formed from a transparent non-chromogenic printing ink which is phosphorescent under UV light.