Optically variable element with partial transparent element

Details Optically variable element with partial transparent element Optically variable element with partial transparent element

2011-04-19

2011-04-19

Lavarias, Arnel C (Department: 2872)

Optical: systems and elements

Light interference

Produced by coating or lamina

C359S566000, C359S576000, C283S085000

Reexamination Certificate

active

07929210

ABSTRACT:
An optically variable element, in particular an optically variable safeguard element for safeguarding banknotes, credit cards and the like, and a security product and a foil, in particular an embossing foil or a laminating foil, having such an optically variable element. The optically variable element has a thin film for producing color shifts by means of an interference and/or a reflective layer. The optically variable element further has a transparent window and the thin film and/or the reflective layer is respectively in the form of a partial element, namely a partial thin film element or a partial reflective element, wherein the partial element or elements surround the surface region of the transparent window.

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