US Patent Issued to Western Digital Technologies on July 1 for "Dynamic track pitch in shingled magnetic recording hard disk drive" (Minnesota, California Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,455, issued on July 1, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Dynamic track pitch in shingled magnetic recording hard disk drive" was invented by David R. Hall (Rochester, Minn.), Andrew Larson (Rochester, Minn.) and Zarko Popov (Mission Viejo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Controlling a shingled magnetic recording (SMR) hard drive involves writing, to a first track of a zone pre-sized based on a nominal track width based on an expected mean track width across an entire zone, a portion of a write operation according to the nominal track width. Then, based on the positional accuracy of the first ...