Azimuthally modulated scattering device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12259569
APP PUB NO 20240159944A1
SERIAL NO

18418657

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Abstract

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Optical elements with anisotropic, patterned surface relief microstructures in which information is encoded in the distribution of the orientation of different zones. From the analysis of the distribution of the light scattered from the element, the orientation distribution in the element and therefore the encoded information can be evaluated. The elements are particularly useful for securing documents and articles against counterfeiting and falsification.

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Patent Owner(s)

Patent OwnerAddress
ROLIC TECHNOLOGIES AGALLSCHWIL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ibn-Elhaj, Mohammed Allschwil, CH 17 137
Pires, David Giebenach, CH 13 132

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