Optical: systems and elements – Diffraction – From grating
Reexamination Certificate
2005-11-15
2010-02-23
Lavarias, Arnel C (Department: 2872)
Optical: systems and elements
Diffraction
From grating
C359S566000, C359S585000
Reexamination Certificate
active
07667895
ABSTRACT:
An optical structure includes a light transmissive substrate having a surface relief pattern applied thereon, such as a hologram. One or more layers can be patterned corresponding to materials playing the role of absorbers or reflectors on a Fabry-Perot type of optical structure. These materials are applied over portions of the surface relief pattern so as to form alphanumeric characters, bars codes, or pictorial or graphical designs. Additional layers may be applied to the patterned layer of the reflective or absorber materials and exposed portions of the surface relief pattern in order to provide desirable optical effects to the exposed portions of the surface relief pattern. In some embodiments, the optically active coating is a color shifting thin film, or contains color shifting flakes based on Fabry Perot designs.
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patent:
Argoitia Alberto
Phillips Roger W.
Raksha Vladimir P.
JDS Uniphase Corporation
Lavarias Arnel C
Pequignot Matthew A.
Pequignot & Myers LLC
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