US Patent Issued to Headway Technologies on Oct. 21 for "Dual-spin torque oscillator designs in microwave assisted magnetic recording" (American, Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,156, issued on Oct. 21, was assigned to Headway Technologies Inc. (Milpitas, Calif.).

"Dual-spin torque oscillator designs in microwave assisted magnetic recording" was invented by Wenyu Chen (San Jose, Calif.), Zhenyao Tang (Chiba, Japan), Shohei Kawasaki (Sunnyvale, Calif.) and Tetsuya Roppongi (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present embodiments relate to write heads implementing microwave-assisted magnetic recording utilizing multiple spin torque oscillators (STOs). Each STO can include a field-generation layer (FGL) that can oscillate in a same frequency and out of phase with one another. The layers in each S...