Optical structure with ridges arranged at the same and method for producing the same

US11209607B2 · kind B2 · utility

Assignee

• Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

• Frank Wippermann · Meiningen, DE
• Andreas Reimann · Apolda, DE
• Andreas Braeuer · Schlieben, DE

Key dates

• Filing date: Sep 25, 2019
• Grant date: Dec 28, 2021
• Expiry date: Jan 14, 2040

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B26/0866
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

An apparatus having an optical structure and ridges is described, wherein adhesive is arranged between the ridges and the optical structure, wherein the adhesive is effective to effect, after its annealing, a predetermined orientation of the optical structure in relation to a reference plane.