US Patent Issued to Hydromecanique et Frottement, Manutech-USD, Universite Jean Monnet Saint-Etienne, Centre National de la Recherche Scientifique (CNRS) on April 29 for "Multilayer optical device with surface texturing and extended cavities for electromagnetic radiation" (French Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,453, issued on April 29, was assigned to Hydromecanique et Frottement (Andrezieux-Boutheon, France), Manutech-USD (Saint-Etienne, France), Universite Jean Monnet Saint-Etienne (Saint-Etienne, France) and Centre National de la Recherche Scientifique (CNRS) (Paris).

"Multilayer optical device with surface texturing and extended cavities for electromagnetic radiation" was invented by Thomas Kampfe (Corbas, France), Laurent Dubost (Chamboeuf, France) and Xxx Sedao (Saint-Etienne, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device suitable for transmitting/reflecting electromagnetic radiation in a wavelength range of the electromagnet...