US Patent Issued to Zhengzhou University of Aeronautics on Nov. 11 for "Quasi-macroscopic cold cathode field emission electron gun and manufacturing method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,663, issued on Nov. 11, was assigned to Zhengzhou University of Aeronautics (Zhengzhou, China).

"Quasi-macroscopic cold cathode field emission electron gun and manufacturing method thereof" was invented by Fanguang Zeng (Zhengzhou, China), Yan Li (Zhengzhou, China), Huali Ma (Zhengzhou, China), Peng Yang (Zhengzhou, China), Mingyu Li (Zhengzhou, China), Yajuan Zheng (Zhengzhou, China), Zhen Yan (Zhengzhou, China), Ming Jiang (Zhengzhou, China), Mengyuan Zhao (Zhengzhou, China), Zihua Dong (Zhengzhou, China), Qianqian Li (Zhengzhou, China), Weichao Ma (Zhengzhou, China), Zhaojun Tang (Zhengzhou, China), Kun Xu (Zhengzhou, China) and Linjie Fu (Zhengzhou, China).

According to the a...