Magnetic head for magneto-optical recording device

Details Magnetic head for magneto-optical recording device Magnetic head for magneto-optical recording device

1991-02-28

1993-08-24

Pascal, Robert J.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

360114, 369 13, G11B 502, G11B 1100

Patent

active

052394255

ABSTRACT:
A magnetic head for a magneto-optical recording device for magnetically recording information onto a magnetic recording medium under the condition where the magnetic recording medium is heated by irradiation of a laser beam. A leakage magnetic field is effectively suppressed by a skin effect, and a magnetic field due to an eddy current is effectively summed up with a magnetic field generated from the core end, thereby increasing an intensity of a total magnetic field to be applied to the magnetic recording medium. Further, a distribution of the magnetic field intensity at the core end can be easily adjusted to stably and widely apply the magnetic field to the magnetic recording medium.

REFERENCES:
patent: 4520409 (1985-05-01), Kimoto et al.
patent: 4796241 (1989-01-01), Hayakawa et al.
patent: 5111441 (1992-05-01), Eto et al.

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