Shingled magnetic recording device capable of recording position error on non-volatile memory
US10867632B2 · kind B2 · utility
2Cited by
6References
16Claims
0Family size
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Key dates
| Filing date | Sep 12, 2019 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Sep 12, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/18
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a magnetic disk device includes a disk, a head that writes data to the disk and reads data from the disk, and a controller that overwrites a second track on a first track in a first track group, and records a maximum first positioning error in a first direction from the first track to the second track in the first track in a nonvolatile first recording area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.