Data carrier and a method for manufacturing a data carrier
A data carrier is disclosed comprising one or more elements comprising symbols, text, graphics or combinations thereof arranged on a surface, wherein the elements are arranged on the surface as microscopic surface irregularities including protrusions, recesses or protrusions and re-cesses as compare...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A data carrier is disclosed comprising one or more elements comprising symbols, text, graphics or combinations thereof arranged on a surface, wherein the elements are arranged on the surface as microscopic surface irregularities including protrusions, recesses or protrusions and re-cesses as compared to other parts of the element, said recesses or protrusions have a different recess depth or protrusion height respectively in at least one first element (1) as compared to a corresponding background element (B1), wherein the at least one first element is visible to a viewer only at predetermined angles of light reflection, wherein the at least one first element and the corresponding back-ground element are arranged on the surface as an array of pixels. |
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