US Patent Issued to ZHEJIANG UNIVERSITY, ZHEJIANG INNUOVO MAGNETICS on March 17 for "Grain boundary diffusion method for bulk rare earth permanent magnetic material" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,124, issued on March 17, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China) and ZHEJIANG INNUOVO MAGNETICS Co. LTD. (Dongyang, China).

"Grain boundary diffusion method for bulk rare earth permanent magnetic material" was invented by Jiaying Jin (Hangzhou, China), Mi Yan (Hangzhou, China), Zhonghua Wei (Dongyang, China), Dongliang Zhao (Dongyang, China) and Yongming Tao (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A grain boundary diffusion method for a bulk rare earth permanent magnetic material includes the following steps: (1) fabricating an initial magnet by a sintering, hot pressing, or hot deformation process; (2) loading...