Labels and method of forming the same

Details Labels and method of forming the same Labels and method of forming the same

2007-07-24

2007-07-24

Ross, Dana (Department: 3722)

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

C283S086000, C283S072000, C428S198000

Reexamination Certificate

active

10297267

ABSTRACT:
The invention provides for a label such as a temper evident holographic or diffractive security label that consists of at least two separate microstructures (30, 31), one exhibiting a holographic or diffractive security image, the other a non visible non-diffractive structure which controls differential release of a reflector or semi reflector layer (27) to display a separate visual message upon removal of the label by tamper. The advantage over previous prior art devices is that both the diffractive message and the tamper evident message are encoded within the microstructure without any need for additional coating or print layers in the device.

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