Magneto-optical recording head having a pot core

Details Magneto-optical recording head having a pot core Magneto-optical recording head having a pot core

1994-04-28

1997-02-11

Hindi, Nabil Z.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

G11B 1304

Patent

active

056028075

ABSTRACT:
A magneto-optical recording apparatus for recording information signals on a magneto-optical recording medium is comprised of an optical pickup device for emitting a laser beam to a lower side of the magneto-optical recording medium, a magnetic head including a pot core which has a center pillar and a coil which is wound around the center pillar and supplying a magnetic power to an upper side of the magneto-optical recording medium, and a holding device for holding the magnetic head so as not to contact with the upper side of the magneto-optical recording medium when the information signals are recorded on the magneto-optical recording medium.

REFERENCES:
patent: 4843600 (1989-06-01), Miyajima et al.
patent: 5065270 (1991-11-01), Koyanagi et al.
patent: 5072431 (1991-12-01), Ohmori et al.
patent: 5140568 (1992-08-01), Yoda
patent: 5260921 (1993-11-01), Shibuya et al.
patent: 5402293 (1995-03-01), Smith
J. J. M. Ruigrok, F. J. A. M. Greidanus, W. F. Godlieb, and J. H. M. Spruit: "Design and Performance of Magnetic Heads for Magneto-Optic Recording with Magnetic Field Modulation," Philips Research Laboratories, The Netherlands, American Institute of Physics, 15 Apr. 1988, pp. 3847-3849.

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