Identification medium, article, identification device, and...

Details Identification medium, article, identification device, and... Identification medium, article, identification device, and...

2007-08-23

2010-10-12

Punnoose, Roy (Department: 2886)

Optics: measuring and testing

Document pattern analysis or verification

Reexamination Certificate

active

07812937

ABSTRACT:
An identifying medium comprises an optical functional layer that is optically identifiable and comprises a layer containing microcapsules. The microcapsule contains a material that occurs color change by breaking the microcapsule.

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