ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,595, issued on Oct. 21, was assigned to SRI INTERNATIONAL (Menlo Park, Calif.).

"Integrated vacuum cell assemblies" was invented by Sterling Eduardo McBride (Princeton, N.J.), Joey J. Michalchuk (Lambertville, N.J.), Seth Charles Caliga (Lafayette, Colo.) and Alan M. Braun (Princeton, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure describes vacuum cell assemblies that integrate a vacuum envelope with a photonic integrated circuit (PIC). Walls of the vacuum envelope are coupled to the PIC, such as through anodic bonding, so that the PIC forms at least one wall of the vacuum envelope and provides an optically accessible medium and ...