SYSTEM, METHOD AND APPARATUS FOR SHINGLED MAGNETIC RECORDING IN DISC DRIVE DEVICE

PROBLEM TO BE SOLVED: To provide a system, a method and an apparatus for shingled magnetic recording in a disk drive device.SOLUTION: A method of targeted corruption of user data in a shingled magnetic recording disk comprises the steps of: identifying user data on a Track_N targeted for corruption;...

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Main Authors SAITO KOSUKE, KAWAMURA MASAHARU, USUI KAZUAKI
Format Patent
LanguageEnglish
Published 18.07.2013
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Abstract PROBLEM TO BE SOLVED: To provide a system, a method and an apparatus for shingled magnetic recording in a disk drive device.SOLUTION: A method of targeted corruption of user data in a shingled magnetic recording disk comprises the steps of: identifying user data on a Track_N targeted for corruption; identifying a readback centerline of the Track_N; identifying a readback centerline of an adjacent track to Track_N; acquiring user data of the adjacent track; and rewriting the user data of the adjacent track with an offset write centerline to overwrite magnetic material at the readback centerlines of both Track_N and the adjacent track.
AbstractList PROBLEM TO BE SOLVED: To provide a system, a method and an apparatus for shingled magnetic recording in a disk drive device.SOLUTION: A method of targeted corruption of user data in a shingled magnetic recording disk comprises the steps of: identifying user data on a Track_N targeted for corruption; identifying a readback centerline of the Track_N; identifying a readback centerline of an adjacent track to Track_N; acquiring user data of the adjacent track; and rewriting the user data of the adjacent track with an offset write centerline to overwrite magnetic material at the readback centerlines of both Track_N and the adjacent track.
Author SAITO KOSUKE
USUI KAZUAKI
KAWAMURA MASAHARU
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Snippet PROBLEM TO BE SOLVED: To provide a system, a method and an apparatus for shingled magnetic recording in a disk drive device.SOLUTION: A method of targeted...
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SubjectTerms INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
Title SYSTEM, METHOD AND APPARATUS FOR SHINGLED MAGNETIC RECORDING IN DISC DRIVE DEVICE
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