Thin film structure having magnetic and color shifting propertie

Details Thin film structure having magnetic and color shifting propertie Thin film structure having magnetic and color shifting propertie

1988-05-03

1989-06-13

Arnold, Bruce Y.

Printed matter

Maps

283 91, 283 94, 283902, G02B 528

Patent

active

048386480

ABSTRACT:
Thin film structure having magnetic properties and optically variable properties comprising a substrate and a multilayer interference coating carried by the substrate producing an inherent color shift with angle. The interference coating has a metal-dielectric design which includes a metal which has magnetic as well as reflective properties.

REFERENCES:
patent: 4705300 (1987-11-01), Berning et al.
patent: 4705356 (1987-11-01), Berning et al.
patent: 4779898 (1988-10-01), Berning et al.

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