Data storage device employing variable size interleave written track segments
First Claim
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1. A data storage device comprising:
- a disk comprising a plurality of data tracks;
a head; and
control circuitry configured to;
encode data into a first number of codewords;
interleave write the first number of codewords to a first segment of a first data track;
encode data into a second number of codewords; and
interleave write the second number of codewords to a second segment of the first data track;
wherein the first number is different than the second number and a size of the first segment is different than a size of the second segment.
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Abstract
A data storage device is disclosed comprising a head actuated over a disk comprising a plurality of data tracks. Data is encoded into a first number of codewords, and the first number of codewords are interleave written to a first segment of a first data track. Data is encoded into a second number of codewords, and the second number of codewords are interleave written to a second segment of the first data track. The first number of codewords is different than the second number of codewords, and a size of the first segment is different than a size of the second segment.
475 Citations
14 Claims
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1. A data storage device comprising:
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a disk comprising a plurality of data tracks; a head; and control circuitry configured to; encode data into a first number of codewords; interleave write the first number of codewords to a first segment of a first data track; encode data into a second number of codewords; and interleave write the second number of codewords to a second segment of the first data track; wherein the first number is different than the second number and a size of the first segment is different than a size of the second segment. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of operating a data storage device, the method comprising:
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encoding data into a first number of codewords; interleave writing the first number of codewords to a first segment of a first data track on a disk; encoding data into a second number of codewords; and interleave writing the second number of codewords to a second segment of the first data track on the disk; wherein the first number is different than the second number and a size of the first segment is different than a size of the second segment. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification