Magnetic head and magnetic disk drive

Details Magnetic head and magnetic disk drive Magnetic head and magnetic disk drive

2005-08-23

2005-08-23

Tupper, Robert S (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S125020

Reexamination Certificate

active

06934128

ABSTRACT:
Provided is a thin film single pole head for perpendicular magnetic recording, which has a structure offering a high formatted volume, easy servo, difficulty of influencing a recording pattern on a medium, and capability of shortening processing time. This thin film single pole head for perpendicular magnetic recording is formed on a reproducing head composed of a pair of shield layers formed on a substrate, and a reproducing element formed therebetween. A structure is provided, where an auxiliary pole is not disposed between the reproducing element of the reproducing head and the main pole of a recording head when seen from a surface facing to recording media.

REFERENCES:
patent: 4546398 (1985-10-01), Toda et al.
patent: 5073836 (1991-12-01), Gill et al.
patent: 6636390 (2003-10-01), Funayama et al.
patent: 6842313 (2005-01-01), Mallary
patent: 04057205 (1992-02-01), None
Yamamoto, et al, IEEE Transactions on Magnetics; “Extremely High Bit Density Recording Wit Single-Pole Perpendicular Head”; vol. MAG-23, No. 5, pp. 2070-2072, 1987.

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