US Patent Issued to Resonac Hard Disk on Feb. 4 for "Method of manufacturing magnetic recording medium" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,217,779, issued on Feb. 4, was assigned to Resonac Hard Disk Corp. (Chiba, Japan).

"Method of manufacturing magnetic recording medium" was invented by Yoshitaka Aono (Chiba, Japan), Takahiro Ukai (Chiba, Japan), Takanao Ebisawa (Chiba, Japan), Kazuya Niwa (Chiba, Japan) and Takayuki Konno (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a magnetic recording medium including: forming a diffusion preventing layer, wherein the magnetic recording medium includes a non-magnetic substrate; an underlayer; a perpendicular magnetic layer; the diffusion preventing layer; and a protective layer, wherein the perpendicular magnet...