ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,230, issued on April 7, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).
"Method for manufacturing a photonic chip" was invented by Karim Hassan (Grenoble, France) and Bertrand Szelag (Grenoble, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "This method comprises: before bonding a substrate to a layer of encapsulated semiconductor material in which a first part of an optical component is produced, producing indented pads inside a buried layer of silicon oxide, with each of these pads comprising an embedded face that extends parallel to an interface between the buried layer and the layer of encapsulated s...