ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,125, issued on July 15.
"Carbon nanotube based cold cathodes for x-ray generation" was invented by Seshadri Jagannathan (Rochester, N.Y.) and Lawrence D. Folts (Macedon, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cathode of an electron emitting device is described, where the cathode comprises a carbon nanotube (CNT); a nano-filler material; and a carbonizable polymer, and where the cathode exhibits increased hardness, is formed by high temperature thermal treatment, and is devoid of a substrate. Also described is a method of forming a cathode of an electron emitting device, where the method comprises a) forming a dispersed mixture compris...