EMBOSSING LACQUER FOR MICRO-OPTICAL SECURITY ELEMENTS
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Accused Products
Abstract
The present invention relates to a highly refractive embossing lacquer for producing micro-optic arrangements which contains at least one binding agent which has at least one radiation-curing compound system consisting of one or more organic compounds. The highly refractive embossing lacquer is characterized in that at least a portion of the organic compounds of the radiation-curing compound system consists of molecules with at least one polarizable element, so that a polymeric material with a refractive index of greater than 1.5 is formed upon radiation curing. The invention also relates to a security element which is produced with at least one micro-optic authenticity feature. Micro-optic authenticity features according to the present invention permit the production of security elements that are so thin that they can be easily incorporated into value documents.
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Citations
74 Claims
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1-37. -37. (canceled)
- 38. A security element for marking the authenticity of objects of value with at least one micro-optic authenticity feature, the micro-optic authenticity feature comprising a first micro-optic arrangement with a multiplicity of focusing elements which are present in a first grid, and a second micro-optic arrangement with a multiplicity of microstructures which are present in a second grid, the first and second arrangements being disposed such that the microstructures of the second arrangement are observable as magnified upon viewing through the focusing elements of the first arrangement, wherein the first and/or second micro-optic arrangements are produced from a highly refractive embossing lacquer which contains at least one binding agent which has at least one radiation-curing compound system comprising one or more organic compounds, at least a portion of said organic compounds of the radiation-curing compound system comprising molecules with at least one polarizable element, so that a polymeric material with a refractive index of greater than 1.5 is formed upon radiation curing of the compound system.
Specification