ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,713, issued on March 4, was assigned to JIANGSU LEUVEN INSTRUMENTS Co. LTD (Xuzhou, China).

"Anti-breakdown ion source discharge apparatus" was invented by Yaoyao Zhang (Xuzhou, China), Dongdong Hu (Xuzhou, China), Jun Zhang (Xuzhou, China), Na Li (Xuzhou, China), Haiyang Liu (Xuzhou, China), Shiran Cheng (Xuzhou, China), Song Guo (Xuzhou, China) and Kaidong Xu (Xuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anti-breakdown ion source discharge apparatus includes a discharge chamber, a coil support, an upper insulation fixing block, a discharge component and an ion source chamber. The discharge component includes a radio-frequency co...