US Patent Issued to Applied Materials on Aug. 18 for "Inkjet gradient index material to modulate grating diffraction efficiency" (California Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,579, issued on Aug. 18, was assigned to Applied Materials Inc. (Santa Clara, Calif.).

"Inkjet gradient index material to modulate grating diffraction efficiency" was invented by Yingdong Luo (Newark, Calif.), Jinxin Fu (Fremont, Calif.), Zhengping Yao (Cupertino, Calif.), Daihua Zhang (Los Altos, Calif.) and Ludovic Godet (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for waveguides and a method of fabricating a waveguide combiner having at least one grating with trenches gap-filled with variable refractive index materials. At least two trenches of at least one grating includes a first gap-fill material having a first...