Method for forming holographic foil
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United States of America Patent
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-
Sep 22, 1998
Issued Date -
N/A
app pub date -
Mar 26, 1997
filing date -
Apr 4, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A foil/composite sheet having a holographic image or diffraction grating image and a method for forming permits the party producing the final document to hot stamp a chip containing the holographic image directly on a substrate forming the major portion of the final document. The foil/composite sheet includes successively a plastic carrier film, a release coating, a hard lacquer coating, a soft lacquer coating, a layer of metal and an embossment receiving coating, the latter three of which become embossed with the holographic image when a heated embossing shim is pressed under pressure against the embossment receiving layer. A heat activatable adhesive is thereafter applied to the embossment receiving coating.
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