Embossing and its variants have proven to be the most costeffective and popular means for mass replication of holograms and diffraction gratings. Alternatives such as photopolymers or silver halide films can cost eight to ten times as much as embossed materials. The cost of embossed materials has fallen to the point where they are being used for mainstream product packaging such as software packages, food and beverage containers, candy packages and wrapping paper. Companies can now produce holographic images and gratings at widths of 60 inches and wider, and at speeds of hundreds of feet per minute.
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