US Patent Issued to Western Digital Technologies on Sept. 22 for "Magnetic recording media with high magnetization absorption layer and gradient segregant structure" (California Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,059, issued on Sept. 22, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Magnetic recording media with high magnetization absorption layer and gradient segregant structure" was invented by Wei Guo (Santa Clara, Calif.), Huanqin Guan (Milpitas, Calif.) and Cristian Papusoi (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various apparatuses, systems, methods, and media are disclosed to provide a heat-assisted magnetic recording (HAMR) medium that includes a Co-rich Pt-doped capping material and a CoFe-based absorption layer. The absorption layer has a higher magnetization than the capping layer. Both layers ...