The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 2025
Filed:
Oct. 26, 2020
Hydromecanique ET Frottement, Andrezieux-Boutheon, FR;
Manutech-usd, Saint-Etienne, FR;
Université Jean Monnet Saint-etienne, Saint-Etienne, FR;
Centre National DE LA Recherche Scientifique, Paris, FR;
Hydromecanique et Frottement, Andrezieux-Boutheon, FR;
Manutech-USD, Saint-Etienne, FR;
Université Jean Monnet Saint-Etienne, Saint-Etienne, FR;
Centre National de la Recherche Scientifique, Paris, FR;
Abstract
An optical device for transmitting/reflecting electromagnetic radiation in a wavelength range of an electromagnetic spectrum. The optical device includes a substrate made of a first material, a coating layer made of a second material that is different from the first material, and a a plurality of cavities formed in surface of the device. The plurality of cavities extend through the coating layer and are partially sunk into the substrate.