LASER TO PLATE PULSE EFFECT

원문 (중국어)

A substrate for security verification, including a transparent, laser-markable outer layer on at least one surface, the at least one surface including an image formed by a plurality of contours, each contour of the plurality of contours having at least one curved segment; and a plurality of raised lenses arranged in rows on the at least one surface of the substrate, wherein each row of the rows of raised lenses is aligned with a contour of the plurality of contours, and a focal point of a raised lens in a row of raised lenses is aligned with a first contour of the plurality of contours at a first viewing angle and aligned with a second contour of the plurality of contours at a second viewing angle.