Anti-counterfeiting papers and their anti-counterfeiting techniques

Anti-counterfeiting papers such as watermark paper, security thread paper, anti-photocopy paper, thermal-sensitive paper, light caused color changeable anti-counterfeiting paper etc were summarized. Anti-counterfeiting papers and their anti-counterfeiting techniques have broadened uses in kinds of certificate, negotiable securities, bill, trademark, product explanation, packaging and some related industries such as military affairs, public security, national defense etc. The papers and techniques are growing along with the techniques development of related field. The environment ally benign anti-counterfeiting paper with low cost, convenient, good anti-counterfeiting property is the leading anti-counterfeiting material in the future.