Patent ID: 11862213
Assignee: TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A magnetic disk device comprising:
a disk that has a track comprising a first servo sector and a second servo sector that is different from the first servo sector;
a head that writes data to the disk and reads data from the disk; and
a controller that records first signal strength record data related to a signal strength at which first target servo data that is a target of the first servo sector is read, and standardizes first signal strength data related to a signal strength at which the first target servo data is read when the first target servo data is read,
wherein
the controller writes the first signal strength record data adjacent to the first servo sector between the first servo sector and the second servo sector arranged next to the first servo sector.