US Patent Issued to CHINA JILIANG UNIVERSITY on June 30 for "Method for preparing Nd-Fe-B-diffused permanent magnets based on pressure gradients" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,029, issued on June 30, was assigned to CHINA JILIANG UNIVERSITY (Hangzhou, China).

"Method for preparing Nd-Fe-B-diffused permanent magnets based on pressure gradients" was invented by Hangfu Yang (Hangzhou, China), Lei Zhou (Hangzhou, China), Qiong Wu (Hangzhou, China), Xiukun Hu (Hangzhou, China), Jiage Jia (Hangzhou, China) and Hongliang Ge (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a method for preparing Nd-Fe-B-diffused permanent magnets based on pressure gradients, involving the steps preparing a Nd-Fe-B permanent magnet precursor through a mechanical grinding process, a press molding proce...