Security element with thin-layer element

Details Security element with thin-layer element Security element with thin-layer element

2011-04-12

2011-04-12

Jolley, Kirsten C (Department: 1715)

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

C428S206000, C428S916000, C427S007000, C427S256000, C427S288000, C427S375000, C427S411000, C106S031130, C283S072000, C283S094000

Reexamination Certificate

active

07923097

ABSTRACT:
The invention relates to a security element for security papers, documents of value and the like having a thin-layer element (12) with color shift effect, which has a reflection layer (14), an absorber layer (18) and a spacer layer (16) disposed between reflection layer (14) and absorber layer (18). According to the invention the spacer layer (16) is formed by a printed layer having dispersion particles (20) with monomodal or oligomodal size distribution.

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Definition of “Monodisperse Polymere”, from Encycl. Polym. Sic, Engng., vol. 10, 19ff, Thiem Verlag, 1995.
Mitteilung Wolff-Cellulosics Nitrocellulose, Aug. 14, 2003, one page.

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