SELF-ADHESIVE DATA CARRIER

摘要

The invention relates to a self-adhesive or heat-sealable security data carrier (1) to be applied to the sheet of a security document, which is to b e printed on or written on. The inventive data carrier comprises an adhesive layer and at least one layer covering the adhesive layer and is characterize d by the fact that the adhesive strength of the covering layer (2) is lower th an the adhesive strength of the adhesive layer (3). The invention also relates to a method for rendering the sheet of a security document secure and to a security design used with said method. Also disclosed are the sheet of a security document provided with said security design and a passport provided with said sheet.