The present invention is directed to a card with a color-shifting film and a method of making same. The card comprises a substrate layer having a thermoplastic surface, a color-shifting film comprising a plurality of openings, and a top layer having first and second thermoplastic surfaces, wherein the color-shifting film is laminated between the thermoplastic surface of the substrate layer and the first thermoplastic surface of the top layer at elevated temperature and pressure.
申请公布号
WO2008060918(A1)
申请公布日期
2008.05.22
申请号
WO2007US83931
申请日期
2007.11.07
申请人
3M INNOVATIVE PROPERTIES COMPANY;KO, JOHN, H.;OH, YUIN CHANG;LAU, KIAM SENG