FORGERY PREVENTION PAPER

• Main Authors: KIM, KWANG CHUN, KIM, JONG HYUN
• Format: Patent
• Language: English; Korean
• Published: 03.05.2012
• Subjects: BOOK COVERS; BOOKBINDING; COLOUR PRINTING; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR; FILES; IMPREGNATING OR COATING OF PAPER; LINING MACHINES; LOOSE LEAVES; MOVABLE-STRIP WRITING OR READING APPARATUS; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PERFORMING OPERATIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; SPECIAL PRINTED MATTER; STAMPS; TEXTILES; TRANSPORTING; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; TYPEWRITERS

PURPOSE: Counterfeit preventive paper is provided to repeatedly reflect light irradiated to the non-patterned part of a coating layer to a drum and the non-patterned part of a copy machine. CONSTITUTION: Counterfeit preventive paper includes a base sheet(2), a coating sheet or a coating layer(3), and patterns(4). The coating sheet or the coating layer consists of a material of high reflectivity compared to the base sheet. The coating sheet or the coating layer is stacked or applied to at least one side of the base sheet. The patterns are composed of lines or dots printed on the upper surface of the coating sheet or the coating layer. The coating sheet or the coating layer consists of a metal of superior surface smoothness compared to the base sheet.