ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,994, issued on June 2, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Heat dissipative and lightweight optical elements having increased strength and stiffness" was invented by Christopher Stipe (Woodinville, Wash.), Andrew John Ouderkirk (Kirkland, Wash.), Eugene Cho (Seattle), Sheng Ye (Redmond, Wash.), Arman Boromand (Issaquah, Wash.), Alex Ockfen (Bothell, Wash.) and Nagi Hosni Elabbasi (Southborough, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polymer thin film includes polyethylene having a weight average molecular weight of at least approximately 500,000 g/mol, where the thin film is characterized by transpar...