Multi-layer body and method for the production thereof
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United States of America Patent
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May 22, 2018
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app pub date -
May 7, 2015
filing date -
May 7, 2014
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Abstract
A method for the production of a multilayer body, in particular a security element, includes: a) producing a metal layer on a substrate; b) partial demetalization of the metal layer to form a first item of optical information in a first area of the multilayer body; c) applying a partial lacquer layer in a second area of the multilayer body to form a second item of optical information, wherein the partial lacquer layer extends at least partially beyond the metal layer; d) structuring the partial metal layer in the second area using the partial lacquer layer as mask.
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