US Patent 7516900 Data carrier

A data carrier including a flat carrier element having at least one memory segment configured to store user-specific information and at least one inscription segment configured to store visually readable information. Further, the carrier element further includes a multi-information segment having a plurality of information layers arranged one on top of another, and at least two information layers are writable and/or printable and at least one top information layer is made separable from a neighboring lower information layer.