US Patent Issued to WUHAN UNITED IMAGING HEALTHCARE on June 16 for "Cathode emission device and X-ray tube using same" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,398, issued on June 16, was assigned to WUHAN UNITED IMAGING HEALTHCARE Co. LTD. (Wuhan, China).

"Cathode emission device and X-ray tube using same" was invented by Xiang Xu (Wuhan, China), Jiajia Tian (Shanghai) and Qi Zhang (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a cathode emission device. The cathode emission device may comprise a cathode assembly, including: a first filament, a second filament, and a grid electrode. The grid electrode may be operably connected to the first filament and surrounding the first filament and the second filament. The cathode assembly may be configured to be operably...