Composite magnetic head arranged so the reproducing elements...

Details Composite magnetic head arranged so the reproducing elements... Composite magnetic head arranged so the reproducing elements...

2007-09-18

2007-09-18

Wellington, Andrea (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

C360S063000, C360S317000, C360S316000

Reexamination Certificate

active

10964698

ABSTRACT:
A conventional magnetic head has a structure, in which a MR element and a recording element are stacked. The influence of a recording magnetic field on the magnetically sensitive portion of a reproduction element is lessened and the performance of the MR element is stabilized. Also, the reliability of the magnetic disk drive using a MR element is enhanced. The magnetic disk drive uses a composite magnet head, which has a plurality of reproduction elements arranged such that the magnetically sensitive layer of a reproduction element of the composite magnetic head does not overlap with the normal direction projection of the recording element, and which lessens the influence of a recording magnetic field on the magnetically sensitive portion of each reproduction element.

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