Photomagnetic recording medium and film forming method

Details Photomagnetic recording medium and film forming method Photomagnetic recording medium and film forming method

1997-06-09

2000-08-29

Kiliman, Leszek

Stock material or miscellaneous articles

Composite

Of inorganic material

428694DE, 428694TC, 428900, 427128, 427129, 427130, 20419222, G11B 566

Patent

active

061106100

ABSTRACT:
A magneto-optical disc in which, for preventing damage to a recording layer in case the foreign matter is sandwiched between a magnetic field modulation head and the magneto-optical disc, or the magnetic field modulation head is contacted for some reason with the magneto-optical disc, the direction of magnetization of the recording layer formed on a polycarbonate substrate, designed for transmitting the laser light, is switched by the magnetic field modulation head. The magnetic field modulation head is mounted floating in a direction opposite to the direction of incidence of the laser light from an optical head converged on an objective lens. A diamond-like carbon (DLC) protective film, composed of a thin DLC film, is provided on the surface of recording layer towards the magnetic field modulation head.

REFERENCES:
patent: 4882231 (1989-11-01), Arantani
patent: 5266409 (1993-11-01), Schmidt
patent: 5637373 (1997-06-01), Hayashi
Patent Abstracts of Japan, vol. 97, No. 2, Feb. 28, 1997, JP08-253378A (Hitachi Maxell Ltd.) Oct. 1, 1996.

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