Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements
Reexamination Certificate
2006-02-28
2006-02-28
Epps, Georgia (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By surface composed of lenticular elements
C380S054000
Reexamination Certificate
active
07006294
ABSTRACT:
The present invention provides methods and compositions for authentication of articles and counterfeit deterrence using non-holographic micro-optics and microstructures having a surface relief greater than a few microns. Embodiments of the present invention disclose a range of distinctive optical effects obtained from micro-optic systems incorporating micro lenses, non-imaging collectors, prisms, wave guides, mirrors, gratings, structural interference filters, and photonic crystal microstructures.
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patent: 2002/0172360 (2002-11-01), Matos
patent: 2003/0058491 (2003-03-01), Holmes et al.
patent: 2003/0067389 (2003-04-01), Look
Hurt Mark J.
Knotts Michael E.
Steenblik Richard A.
Deveau Todd
Epps Georgia
Harrington Alicia M.
Nanoventions, Inc.
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