Optische Sicherheitsvorrichtung auf der Basis einer Rotationsoberfläche

Details

Veröffentlichungs-Nr.

EP4733083

Anmeldetag

9. August 2019

Veröffentlichung

29. April 2026

Rechtsraum

EP

Abstract

An optical article printed on a substrate may include an organic binder; and a plurality of reflective magnetic platelets provided in the organic binder, wherein the plurality of reflective magnetic platelets are substantially aligned in accordance with at least part of a surface of revolution, and wherein the plurality of reflective magnetic platelets are aligned to cause a first reflective effect of the optical article when the substrate is rotated around a first axis and to cause a second reflective effect of the optical article when the substrate is rotated around a second axis, wherein the first reflective effect is different from the second reflective effect.

Anmelder

Firma

Viavi Solutions Inc.

Land

🇺🇸 USA