Magnetic head and magnetic disk drive

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

1997-07-16

1998-12-29

Klimowicz, William J.

Dynamic magnetic information storage or retrieval

Head

Core

360122, 360110, G11B 5127, G11B 5187

Patent

active

058547274

ABSTRACT:
A ratio tW/pL of a track width tW to a width pL of an end face, in a traveling direction, of a main pole which performs recording or reproduction on or from the magnetic recording layer of a medium, and a saturation magnetic flux density Bs (T: tesla) of a magnetic material constituting the main pole satisfy:

REFERENCES:
patent: 4982301 (1991-01-01), Endo
patent: 5075956 (1991-12-01), Das
patent: 5181149 (1993-01-01), Katsumata et al.
patent: 5486967 (1996-01-01), Tanaka et al.
patent: 5550796 (1996-08-01), Ishii
IEEE Trans. Magn., vol. MAG-27, pp. 4921-4925, Nov. 1991.
Journal of the Magnetic Society of Japan vol. 15, Supplement, No.SZ, pp. 185-190, 1991.

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