Magnetic head and magneto-optical recording apparatus

Details Magnetic head and magneto-optical recording apparatus Magnetic head and magneto-optical recording apparatus

1995-10-11

1996-08-27

Neyzari, Ali

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, 360 59, G11B 1104, G11B 1304

Patent

active

055507964

ABSTRACT:
A magnetic head applies a magnetic field modulated according to an information signal to a recording medium. The magnetic head includes a core comprised of a laminate in which a plurality of magnetic layers are laminated, and a coil arranged around the core. In the core, a pole-tip face is formed perpendicular to the magnetic layers. The pole-tip face is arranged so as to be parallel to the recording medium, and the magnetic layers are arranged so as to be perpendicular to a direction of relative movement between the recording medium and the magnetic head. When W is a width of the pole-tip face in a direction perpendicular to the moving direction and L is a length of the pole-tip face in a direction parallel to the moving direction, the width W and length L satisfy the following relations:

REFERENCES:
patent: 4796241 (1989-01-01), Hayakawa et al.
patent: 5140568 (1992-08-01), Yoda
patent: 5161132 (1992-11-01), Hiramatsu
patent: 5202863 (1993-04-01), Miyatake et al.
patent: 5243580 (1993-09-01), Maeda

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