Relatively small security elements, production method...

Details Relatively small security elements, production method... Relatively small security elements, production method...

2011-03-15

2011-03-15

Lee, Michael G (Department: 2876)

Registers

Records

Particular code pattern

C235S380000, C235S491000, C235S492000

Reexamination Certificate

active

07905422

ABSTRACT:
The invention relates to a flat security element, having a front side and a reverse side, and being relatively small in size, such as planchettes, including, at least on one of its sides, at least one in-register authentication pattern and/or an authentication pattern resulting from the combination and/or superposition of a pattern on its front side and of a pattern on its reverse side, at least one of said authentication patterns being at least partly observable in transmitted light. It also relates to the manufacturing process thereof and to the security sheets and documents containing them.

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