DATA DISCRIMINATION SHEET AND METHOD

摘要

PURPOSE:To provide a data discrimination sheet excellent in forgery or alteration preventing properties. CONSTITUTION:A data discrimination sheet is constituted so that an electrical, optical and discrimination sheet 1 obtained by internally adapted to a data discrimination sheet 1 obtained by internally adding or applying a discrimination material 3 to a support so as to form random patterns to read or record radom pattern data and the recording of the random patterns is repeatedly identified and data is discriminated using the data discrimination sheet. By this constitution, random pattern data can be encoded as a 'paper-print' like a fingerprint at every data discrimination sheet and excellent forgery or alteration preventing effect is developed.