Magnetic disk apparatus suppressing adjacent track influence

Details Magnetic disk apparatus suppressing adjacent track influence Magnetic disk apparatus suppressing adjacent track influence

2007-07-10

2007-07-10

Wong, K. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S048000

Reexamination Certificate

active

11352048

ABSTRACT:
A magnetic disk apparatus is configured such that a physical track number is converted into an absolute track number by making a track pitch in an absolute track area formed by a given magnetic head wider by a given amount than a track pitch in a corresponding absolute track area formed by a reference magnetic head if the number of absolute tracks is larger in the absolute track area formed by the given magnetic head than in, the absolute track area formed by the reference magnetic head although the number of physical tracks is identical in corresponding physical track areas between different magnetic disks. The given amount is commensurate with an unused area corresponding to a difference in the number of absolute tracks between the absolute track area formed by the given magnetic head and the absolute track area formed by the reference magnetic head.

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