US Patent Issued to Headway Technologies on Oct. 28 for "Tapered optical and magnetic elements for improved writing in heat-assisted magnetic recording" (California Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,484, issued on Oct. 28, was assigned to Headway Technologies Inc. (Milpitas, Calif.).

"Tapered optical and magnetic elements for improved writing in heat-assisted magnetic recording" was invented by Shehrin Sayed (Fremont, Calif.), Hong Guo (Fremont, Calif.) and Yuhui Tang (Milpitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Writer head products for heat-assisted magnetic recording devices and methods of making the same are disclosed. The writer heads include multiple layers including a waveguide blocking layer, a waveguide layer, a near-field transducer layer, a heat sink layer, and a peg layer. Each of the layers may comprise a tapered...