US Patent Issued to Canon on July 21 for "Resonant tunneling diode, oscillator and detection system" (Japanese Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,690,205, issued on July 21, was assigned to Canon K.K. (Tokyo).

"Resonant tunneling diode, oscillator and detection system" was invented by Tatsuro Uchida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resonant tunneling diode includes a substrate, and a mesa structure including a compound semiconductor layer including a heterojunction comprising a multi-barrier structure disposed on the substrate, and an electrode disposed on the upper surface of the compound semiconductor layer. An outer edge portion of the compound semiconductor layer is a first region including crystal defects, and the first region and the electrode are set apart from each ...