Multi-layer body, method for producing it, and production of forgery-proof documents using said multi-layer body
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United States of America Patent
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Oct 25, 2016
Grant Date -
Apr 24, 2014
app pub date -
May 31, 2012
filing date -
May 31, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multi-layer body includes a carrier film, a release layer, an embossed hologram layer, and a vapor-plated reflection layer. An adhesive layer is UV activated and includes a partially activated zone. Cured adhesive regions connect a transparent polycarbonate film and parts of the embossed hologram layer to one another inseparably. The cured adhesive regions are arranged about the periphery of an uncured adhesive region of the adhesive layer to form a frame around the uncured adhesive region. A forgery-proof document is produced using the multi-layer body. Uncured adhesive regions of the multi-layer body are partially cured with UV light through an information-carrying optical mask. The carrier film is removed together with the release layer and non-bonded embossed hologram layer regions. An upper protective film is applied to individualized embossed hologram layers and is hot pressed together with additional films.
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