Disk drive device manufacturing method thereof, and method for specifying data track pitch for the disk drive device

Disk drive device manufacturing method thereof, and method for specifying data track pitch for the disk drive device

Embodiments of the present invention help to increase the capacity and the reliability of a disk drive device to improve the manufacturing yield thereof. An embodiment of the present invention sets a data track pitch for each head slider (recording surface) in accordance with head characteristics. T...

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Hauptverfasser: ITO HIDEAKI, TSUCHIMOTO KAZUNARI, ISHIBASHI KAZUYUKI, TAKAZAWA OSAMU
Format: Patent
Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator ITO HIDEAKI
TSUCHIMOTO KAZUNARI
ISHIBASHI KAZUYUKI
TAKAZAWA OSAMU
description Embodiments of the present invention help to increase the capacity and the reliability of a disk drive device to improve the manufacturing yield thereof. An embodiment of the present invention sets a data track pitch for each head slider (recording surface) in accordance with head characteristics. This method for specifying the data track pitch is based on the distance between erase band ends (EBEs) of the both adjacent data tracks. The erase band of a data track is a band defined as the area where the already written data are erased in writing the data track. The distance between the erase band ends of the both adjacent data tracks corresponds to the width SW of the area which is not erased by the adjacent data tracks. Specifying the data track pitch based on this leads to increase in the data capacity of each recording surface and secure prevention of occurrence of a squeeze error.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title Disk drive device manufacturing method thereof, and method for specifying data track pitch for the disk drive device
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