Bi-directional informational article within an optical...

Details Bi-directional informational article within an optical... Bi-directional informational article within an optical...

2007-07-12

2010-11-16

Amari, Alessandro (Department: 2872)

Optical: systems and elements

Holographic system or element

Authentication

C283S086000

Reexamination Certificate

active

07835047

ABSTRACT:
An informational article including a holographic film layer and certain additional ink receptive coating, high-opacity blocking, security printing, image receptive coating, ultraviolet reflected core laminate, and/or adhesive layers coupled together. Certain of the layers of the information article include one or more apertures, which, when the apertures overlap, allow the holographic film layer to appear translucent when light is allowed to shine in the area of overlap.

REFERENCES:
patent: 5703703 (1997-12-01), Yamate
patent: 2003/0058491 (2003-03-01), Holmes et al.

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