Magnetic disk device and read processing method
AssigneesKabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
InventorNobuhiro Maeto
Life of this patent
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Abstract
According to one embodiment, a magnetic disk device includes a disk, a head including a write head that writes data to the disk, and a first read head and a second read head. that read data from the disk, and a controller that, in reading a first track of a first region of the disk, positions a middle portion of the first read head and. the second read head at a first track center of the first track, and in reading a second track of a second region. of the disk different from the first region, positions any one of the first read head and the second read. bead at a second track center of the second track.
Claims20
A magnetic disk device comprising:
- a disk;
- a head comprising a write head that writes data to the disk, and a first read head and a second read head that read data from the disk;
- and
- a controller that, in reading a first track of a first region of the disk, positions a middle portion of the first read head and the second read head at a first track center of the first track, and in reading a second track of a second region of the disk different from the first region, positions any one of the first read head and the second read head at a second track center of the second track.
A read processing method applied to a magnetic disk device comprising a disk, a head comprising a write head that writes data to the disk, and a first read head and a second read head that read data from the disk, the read processing method comprising:
- in reading a first track of a first region of the disk, positioning a middle portion of the first read head and the second read head at a first track center of the first track;
- and
- in reading a second track of a second region of the disk different from the first region, positioning any one of the first read head and the second read head at a second track center of the second track.
Dependencies are inferred from the claim text.