Method for the production of a multi-colour volume hologram, a document with such a hologram, and a volume hologram master
AssigneeHologram Industries Research GmbH
InventorsGuenther Dausmann, Zishao Yang
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AssigneeHologram Industries Research GmbH
InventorsGuenther Dausmann, Zishao Yang
Estimating the term…
The invention relates to a method for the production of a multicolor hologram by means of a capture beam, wherein the utilized capture beam (6) has a plurality of beam bundles of the same wavelength. Advantageously, the multicolor hologram is produced by copying the structure of multiple single-color subholograms of a master hologram (1) in a copy layer (5) which is affixed parallel to the master hologram, by illuminating this copy layer with the single-color capture beam. Each beam bundle appears at a prespecified angle of incidence, wherein the angles of incidence are calculated in such a manner that the structure of a corresponding subhologram is produced in the copy layer. this way, a falsification is nearly impossible.
A method for the production of a multi-color hologram using a copy beam, comprising the following steps:
Dependencies are inferred from the claim text.