US Patent Issued to Headway Technologies on April 7 for "Pre-assisting microwave-assisted magnetic recording with spin-torque nano-oscillators" (California Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,436, issued on April 7, was assigned to Headway Technologies Inc. (Miltpitas, Calif.).

"Pre-assisting microwave-assisted magnetic recording with spin-torque nano-oscillators" was invented by Haowen Ren (Fremont, Calif.), Wenyu Chen (San Jose, Calif.) and Yuhui Tang (Milpitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present embodiments relate to a pre-assisting microwave assisted magnetic recording (MAMR) (PA-MAMR) write-head structure where the STO is disposed within a leading shield (LS). The STO can be used to pump energy into the media before the writing process. The STO can also pre-excite the media and let the media oscillatio...