US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on June 10 for "Method and systems for uniform distribution of additive domains in the grain boundary of magnets" (Michigan Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,678, issued on June 10, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Method and systems for uniform distribution of additive domains in the grain boundary of magnets" was invented by Margarita P. Thompson (Livonia, Mich.), Wenying Yang (Rochester Hills, Mich.) and Edward L. Kaiser (Orion, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of incorporating additive domains in a rare earth magnet, a system for incorporating additive domains in a rare earth magnet, and a traction motor including a rare earth magnet. Inert gas and a plurality of coarse neodymium-iron-boron (NdFeB) particles are introduced into the chamber o...