US Patent Issued to Western Digital Technologies on July 21 for "Data storage device shaping read thermal sensor bias signal to balance write thermal sensor signal during laser operation" (California, Minnesota Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,864, issued on July 21, was assigned to Western Digital Technologies Inc. (San Jese, Canada).

"Data storage device shaping read thermal sensor bias signal to balance write thermal sensor signal during laser operation" was invented by Sukumar Rajauria (San Jose, Calif.), Cliff Zhang (San Jose, Calif.) and Joey M. Poss (Rochester, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data storage device comprises a disk and a recording head. The recording head comprises a write thermal sensor, a read thermal sensor, and a laser configured for heat assisted magnetic recording (HAMR). Control circuitry shapes a bias signal applied to the read thermal s...