US Patent Issued to DigiLens on June 23 for "Method and system utilizing inverted master for holographic recording" (California Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,572, issued on June 23, was assigned to DigiLens Inc. (Sunnyvale, Calif.).

"Method and system utilizing inverted master for holographic recording" was invented by Alastair John Grant (San Jose, Calif.), Gerald Buxton (Sunnyvale, Calif.) and Hyesog Lee (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is methods and apparatus for recording a holographic waveguide utilizing an inverted holographic master technique. In some embodiments, an apparatus for recording a holographic waveguide is provided. The apparatus may include a source of light configured to provide a recording beam; a master substrate with a non-grating ...