US Patent Issued to Western Digital Technologies on March 3 for "Magnetic heads having low magnetic coercivity (Hc) and high saturated magnetic flux density (Bs) in ferromagnetic (FM) layer(s) or shield(s) with minimized saturation" (American, Japanese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,438, issued on March 3, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Magnetic heads having low magnetic coercivity (Hc) and high saturated magnetic flux density (Bs) in ferromagnetic (FM) layer(s) or shield(s) with minimized saturation" was invented by Quang Le (San Jose, Calif.), Brian R. York (San Jose, Calif.), Xiaoyong Liu (San Jose, Calif.), Jinming Liu (San Jose, Calif.), Son T. Le (San Jose, Calif.), Michael A. Gribelyuk (San Jose, Calif.), Susumu Okamura (San Jose, Calif.) and Hisashi Takano (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Magnetic moments can be increased in hard disk drive (HDD) shi...