US Patent Issued to TDK on April 7 for "Alloy for R-T-B based permanent magnet and method for manufacturing R-T-B based permanent magnet" (Japanese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,541, issued on April 7, was assigned to TDK Corp. (Tokyo).

"Alloy for R-T-B based permanent magnet and method for manufacturing R-T-B based permanent magnet" was invented by Uremu Hosono (Tokyo), Yudai Sugano (Tokyo) and Hikaru Kudo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide an alloy for an R-T-B based permanent magnet from which an R-T-B based permanent magnet having improved magnetic properties can be manufactured. The alloy for an R-T-B based permanent magnet contains R, T, and B, in which R is a rare earth element, T is a transition metal element, and B is boron. An area ratio of a non-columnar crystal structure in a cross ...