Security document having a personalized image formed from a metal hologram and method for the production thereof
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United States of America
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Feb 25, 2025
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app pub date -
Nov 10, 2020
filing date -
Nov 10, 2020
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Abstract
A secure document including a first layer having a metal holographic structure forming an arrangement of pixels each including a plurality of sub-pixels of distinct colors and a second layer positioned facing the first layer, the second layer being opaque to at least the visible wavelength spectrum. The first layer includes perforations formed by a first laser beam, the first perforations locally revealing through the holographic structure a number of dark areas in the sub-pixels caused by underlying regions of the second opaque layer such as to form a personalized image starting from the arrangement of pixels combined with the dark areas.
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