US Patent Issued to Western Digital Technologies on Oct. 27 for "Laser heater feedback control in heat assisted magnetic recording" (California, Minnesota Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,339, issued on Oct. 27, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Laser heater feedback control in heat assisted magnetic recording" was invented by Joey M. Poss (Rochester, Minn.), Sukumar Rajauria (San Jose, Calif.) and John T. Contreras (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data storage device configured for heat assisted magnetic recording (HAMR) may include a disk; a head configured to read/write data to the disk; a laser module comprising a laser diode to heat an area of the disk near the head, and a heater to heat the LD; and one or more processing devices configured to determine a ta...