Process and apparatus for the application of diffractive elements upon surface areas
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United States of America Patent
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Issued Date -
Sep 8, 2005
app pub date -
Feb 23, 2005
filing date -
Feb 24, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a process for the manufacture of diffractive elements, especially holograms, on the surface of an object, whereby holographic information is transferred onto a photosensitive recording layer applied on the surface, especially by exposure, whereby in a repetitive manufacturing process diffractive elements to be produced in succession are varied by modifying the configuration of the transferable holographic information and/or by changing the configuration of the photosensitive recording layer on the surface. The invention further relates to an object with at least one diffractive element, in particular a holographic marker, as well as an apparatus for the production of such an object.
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