ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,619, issued on Sept. 23, was assigned to Fluxus Inc. (Sunnyvale, Calif.).
"Fabrication of waveguide structures" was invented by Frank Zaugg (Redwood City, Calif.) and Joshua Wayne Parks (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of fabricating a waveguide structure to form a solid-core waveguide from a waveguiding layer may include etching a fluid channel into the waveguiding layer, etching a first air-gap and a second air gap into the waveguiding layer, wherein etching the first and the second air-gaps creates a solid-core waveguide in the waveguiding layer between the first air-gap and the second air-gap. A method for...