ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,347, issued on June 17, was assigned to Commissariat A L'energie Atomique Et Aux Energies Alternatives (Paris) and Soitec (Bernin, France).

"Detachable structure used for transferring or handling layers, and process for transferring a layer using the detachable structure" was invented by Francois-Xavier Darras (Apprieu, France) and Vincent Larrey (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A detachable structure comprises at least two interfaces including an assembly interface and a favored-detachment interface, a receiver substrate, and a donor substrate comprising a working layer that is to be transferred, arranged on an initi...