Patent ID: 11881238
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A data storage device comprising:
one or more disks;
an actuator assembly comprising one or more disk heads; and
one or more processing devices, configured to:
map out one or more sectors on the one or more disks in at least one of a plurality of lower coercivity areas with a coercivity lower than a threshold, wherein each of the plurality of lower coercivity areas spans a plurality of tracks on a corresponding disk surface of the one or more disks, and wherein mapping out the one or more sectors comprises mapping out a plurality of sectors cross-track in the at least one of the plurality of lower coercivity areas;
write data to, or read data from, the one or more disks, based at least in part on mapping out the one or more sectors in the at least one of the plurality of lower coercivity areas, and wherein the writing or reading data comprises:
writing data to, or reading data from, one or more sectors of the one or more disks that are not mapped out.