US Patent Issued to ZHENGZHOU RESEARCH INSTITUTE FOR ABRASIVES & GRINDING on Oct. 21 for "Large-size diamond, MPCVD device and preparation method of large-size diamond" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,702, issued on Oct. 21, was assigned to ZHENGZHOU RESEARCH INSTITUTE FOR ABRASIVES & GRINDING Co. LTD. (Zhengzhou, China).

"Large-size diamond, MPCVD device and preparation method of large-size diamond" was invented by Xiaolei Wu (Henan, China), Ning Yan (Henan, China), Shuai Xu (Henan, China), Yanjun Zhao (Henan, China), Junyong Shao (Henan, China), Wentao Zhou (Henan, China), Jiong Zhao (Henan, China), Bolun Cao (Henan, China), Hui Liu (Henan, China) and Hongxing Pan (Henan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "MPCVD device comprises deposition platform, substrate platform, lifting platform, microwave quartz window, upper cover pla...