US Patent Issued to Resonac Hard Disk on Nov. 18 for "Magnetic recording medium, magnetic storage apparatus, and method for manufacturing magnetic recording medium" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,923, issued on Nov. 18, was assigned to Resonac Hard Disk Corp. (Chiba, Japan).

"Magnetic recording medium, magnetic storage apparatus, and method for manufacturing magnetic recording medium" was invented by Takayuki Fukushima (Chiba, Japan), Takehiro Yamaguchi (Chiba, Japan) and Yuki Sato (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic recording medium includes a substrate, an underlayer, a first magnetic layer, and a second magnetic layer in this order. The first magnetic layer includes magnetic grains having a L10 structure, and the second magnetic layer has a granular structure including magnetic grains having a L10 struc...