US Patent Issued to Western Digital Technologies on July 1 for "Positive laser bias electrical control architecture for dark laser heating in heat assisted magnetic recording" (California, Minnesota Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,472, issued on July 1, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Positive laser bias electrical control architecture for dark laser heating in heat assisted magnetic recording" was invented by John T. Contreras (Palo Alto, Calif.) and Joey M. Poss (Rochester, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various illustrative aspects are directed to a data storage device comprising a disk, a read/write head configured to read data from and write data to the disk, a laser diode (LD) coupled to a near field transducer (NFT) configured to heat an area of the disk near the read/write head, an asymmetric LD driver config...