发明名称 A SHEET FOR COUNTERFEIT PREVENTION WITH DIFFRACTING GRATING AND ITS MANUFACTURING METHOD
摘要 PURPOSE: An anti-counterfeit sheet and a method for fabricating the same are provided to express different colors and patterns. CONSTITUTION: A method for fabricating an anti-counterfeit sheet(10) comprises: a step of laminating resin layers with different colors and metal layer to prepare a sheet lamination structure; a step of photocuring the upper one side of the structure by UV ray or laser; and a step of removing a part except for the photocured part. The coating layer is a metal deposition layer or is formed by coating the metal powder ink.
申请公布号 KR20120014476(A) 申请公布日期 2012.02.17
申请号 KR20100076575 申请日期 2010.08.09
申请人 KOREA MINTING, SECURITY PRINTING & ID CARD OPERATING CORP. 发明人 SEO, KU WON;YOO, HAN SOL
分类号 B41M5/24;B41M3/14;B41M7/00 主分类号 B41M5/24
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