ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,813, issued on Jan. 13, was assigned to General Atomics (San Diego).
"Dielectric lined waveguides" was invented by Kyle Andrew Thackston (San Diego), John Doane (Fullerton, Calif.) and James Anderson (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "One or more aspects of the present disclosure include coating the inside of an overmoded, smooth wall metallic waveguide with a thin dielectric layer. Coating the inside of a waveguide with a dielectric layer, as described in more detail herein, may result in similar boundary conditions to corrugated waveguides and may achieve extremely low transmission loss (e.g., propagating the HE11 mode). Suc...