Magnetic disk device
AssigneesKabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
InventorNobuhiro Maeto
Life of this patent
Estimating the term…
Abstract
According to one embodiment, a magnetic disk device includes a disk, a write head, and a write processing unit. The write processing unit executes first write processing of writing data to a first segment of a first data sector in a first data track. The write processing unit then executes second write processing of writing data to a first segment of a second data sector in the first data track. The write processing unit then executes third write processing of writing data to a second segment of the first data sector in a second data track.
Claims20
A magnetic disk device comprising:
- a disk that includes a plurality of data tracks including a first data track and a second data track in a recording layer;
- a write head that writes data to the recording layer of the disk;
- and
- a write processing unit that is capable of executing write processing of writing data to the recording layer,
- the write processing unit
- executing first write processing of writing data to a first segment constituting a part of a first data sector in the first data track,
- executing second write processing of writing data to the first segment constituting a part of a second data sector in the first data track after the first write processing is executed, and
- executing third write processing of writing data to a second segment constituting a part of the first data sector in the second data track after the second write processing is executed.
A magnetic disk device comprising:
- a disk that includes a plurality of data tracks including a first data track and a second data track in a recording layer;
- a first read head, a second read head, and a third read head that each reads data from the recording layer of the disk;
- an arm that supports the first to third read heads;
- an actuator that moves the arm;
- and
- a read processing unit that is capable of executing read processing of reading data from the recording layer,
- the first data track including a first segment constituting a part of a first data sector,
- the second data track including a second segment that constitutes a part of the first data sector and being adjacent to the first segment in a radial direction, and
- the read processing unit
- driving the actuator and controlling seek operation of seeking the first to third read heads to move the first read head to a position facing the first data track,
- selecting a first selection read head that is the first read head and a second selection read head that is a read head closest to the second data track of the second and third read heads according to a skew angle of the first read head, and
- simultaneously reading data corresponding to the first segment of the first data track and data corresponding to the second segment of the second data track by using the first and second selection read heads.
Dependencies are inferred from the claim text.