Data storage device and data storage device control

Details Data storage device and data storage device control Data storage device and data storage device control

2005-06-01

2008-10-14

Nguyen, Hoa T. (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

C360S063000, C360S078040, C360S075000

Reexamination Certificate

active

07436614

ABSTRACT:
Embodiments of the invention provide a data storage device and its control method that are capable of minimizing the possibility of head deterioration while maintaining the minimum required sustained data rate. In one embodiment, each track is divided into three areas (A, B, and C). When a ⅓ track is accessed, the head is changed to access a ⅓ track on the next recording surface. In this instance, LBAs are assigned to disks so that heads Hd0through Hd4,which access both surfaces of disks0and1,are selected for accessing purposes in the Hd0,Hd1,Hd2,Hd3,Hd0,and Hd1order while an area selection is made in the area A, area B, and area C order.

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