ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,750, issued on July 7, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).
"Method for analysing an object comprising several superposed layers, by optical reflectance measurements" was invented by Anne Planat-Chretien (Grenoble Cedex, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Method for determining a variation of absorption properties of an object (20), between a first instant (t1) and a second instant (t2), the object comprising a surface layer (L1) and a deep layer (L2), the method comprising: a) illumination of the object by a light source (10), emitting an illumination beam (11) forming a zone (12)...