METHOD AND DEVICE FOR PRODUCING AND TRANSFERRING DIFFRACTIVE MICROSTRUCTURES TO PRINTING MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide alternative methods for producing and transferring diffractive microstructures to a printing material by using an embossing cylinder.SOLUTION: The methods comprise: applying a fluid to an embossing cylinder 14, 18; and partially drying the fluid in a region between an application point and a transfer point to a printing material, fixing microstructures in the fluid and transferring solidified fluid to the printing material in the form of a film.