US Patent Issued to Proterial on July 21 for "Heat treatment method for amorphous alloy ribbon and heat treatment apparatus for amorphous alloy ribbon" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,897, issued on July 21, was assigned to Proterial Ltd. (Tokyo).

"Heat treatment method for amorphous alloy ribbon and heat treatment apparatus for amorphous alloy ribbon" was invented by Hirohisa Sano (Tokyo) and Takeshi Fukuyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a heat treatment method and a heat treatment apparatus for an amorphous alloy ribbon, said method and apparatus being capable of uniformly heat treating an amorphous alloy ribbon, while suppressing the occurrence of anisotropy in the magnetic characteristics. A heat treatment method for an amorphous alloy ribbon, said method comprising a st...