US Patent Issued to Raytheon on April 15 for "Lightweight, thermally stable disk for a coaxial travelling wave tube (CoTWT)" (Arizona Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,079, issued on April 15, was assigned to Raytheon Co. (Arlington, Va.).

"Lightweight, thermally stable disk for a coaxial travelling wave tube (CoTWT)" was invented by David R. Sar (Marana, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lightweight, thermally stable disk for use in a slow wave structure (SWS) of CoTWT is configurated without sacrificing thermal management, structural integrity, or RF performance. Refractory metal is removed from regions of the disk where no RF interaction is expected and replaced with resistive ceramic material. The disk includes one or more central ribs positioned about the periphery of a central hub. A plur...