Security element including an optical structure
AssigneeArjowiggins Security
InventorsMichel Camus, Stéphane Mallol, Ivan Thierry, Pierre Doublet
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Abstract
The present invention relates to a security element (1; 30) intended for being added to or on a security document (21; 31), including at least one first optical structure (2) such as a standard rainbow hologram and/or a raster image representing a first pattern (22) and at least one second optical structure (3), which is achromatic and represents a second pattern (23) at least partially identical to the first pattern (21).
Claims27
A security element for incorporating in or on a security document, the security element comprising:
- at least one first optical structure comprising a raster image representing a first pattern,
- at least one second optical structure which is achromatic and represents a second pattern at least partially identical to the first pattern.
(canceled)
A security element for incorporating in or on a security document, comprising:
- at least one first optical structure of the standard rainbow holography type and/or of the raster image type representing a first pattern,
- at least one second optical structure which is achromatic and represents a second pattern at least partially identical to the first pattern, the second optical structure reproducing the second pattern in three dimensions.
Dependencies are inferred from the claim text.