Paired optically variable article with paired optical structures

Details Paired optically variable article with paired optical structures Paired optically variable article with paired optical structures

1997-10-27

2000-09-05

Chen, Vivian

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428 418, 428 421, 428201, 428202, 428206, 428207, 428347, 428352, 428402, 428915, 428916, B32B 314, B32B 516, B32B 706, B32B 710

Patent

active

06114018&

ABSTRACT:
An optically variable article comprising of a substrate and at least one non-overlapping pair of optically variable structures on the surface of the substrate, the optically variable structures having the same color at one angle of incidence and different colors at all other angles of incidence. The optically variable structures are formed from optically variable pigments, optically variable opaque foils, or optically variable multilayer thin film interference stacks.

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patent: 5766738 (1998-06-01), Phillips et al.

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