Apparatus and method for a sub microscopic and optically variable image carrying device
作者： David R. Boswell , Mark Robert Dicker , Alexander Stuck , Michelle Richert
DOI:
关键词: Ultraviolet light 、 Optics 、 Embossing 、 Fluoropolymer 、 FOIL method 、 Substrate (printing) 、 Materials science
摘要: The present invention relates generally to an apparatus for embossing a flexible substrate. More specifically, the curable composition coated substrate with optically variable image transferred from foil, especially belt, or sheet of transparent fluoropolymer. is irradiated through ultraviolet light contemporaneously so that imprint pattern cures, hardens, and retains its shape.
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