US Patent Issued to Meta Platforms Technologies on June 10 for "Index-gradient structures with nanovoided materials and corresponding systems and methods" (Washington Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,541, issued on June 10, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Index-gradient structures with nanovoided materials and corresponding systems and methods" was invented by Andrew John Ouderkirk (Kirkland, Wash.), Katherine Marie Smyth (Seattle) and Qi Zhang (Kirkland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the disclosure are directed to index-gradient antireflective coatings that include a differential concentration of nanovoids versus thickness of the coating. In one embodiment, an index-gradient antireflective coating may have an index of refraction that varies from a first value to that o...