MUMBAI, India, May 2 -- Intellectual Property India has published a patent application (202518035117 A) filed by Snap Inc., Santa Monica, U.S.A., on April 10, for 'waveguide and method for fabricating a waveguide master grating tool.'
Inventor(s) include Mason, Stephen.
The application for the patent was published on May 2, under issue no. 18/2025.
According to the abstract released by the Intellectual Property India: "A method for fabricating a waveguide master-grating imprint tool, the imprint tool being for a waveguide having a first-embedded grating and a second-embedded grating, the method comprising, coating a substrate with at least one photoresist layer, selectively exposing a first diffraction-grating master profile onto a first...