Ni/Pt multilayers for magneto-optical recording media

Details Ni/Pt multilayers for magneto-optical recording media Ni/Pt multilayers for magneto-optical recording media

1997-09-25

2000-01-25

Kiliman, Leszek

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Physical dimension specified

428336, 428694ML, 428694MT, 428694MM, 428694IS, 428694T, 428694TM, 428900, 2041922, 427128, 427129, 427130, G11B 566

Patent

active

060176199

ABSTRACT:
This invention relates to magneto-optical recording media with thin films of Ni/Pt multilayers. Ni/Pt multilayer films, prepared by sequential dc magnetron sputter deposition by a suitable choice of the sublayer thicknesses and the number of repeats of the multilayer, exhibit most of the desired properties such as perpendicular magnetic anisotropy, high coercivity, low Curie point, and substantial Kerr rotation which are essential for magneto-optical recording media.

REFERENCES:
patent: 4587176 (1986-05-01), Carcia
patent: 4992336 (1991-02-01), Yamamoto
patent: 5112701 (1992-05-01), Katsuragawa
patent: 5361248 (1994-11-01), Hatwar et al.

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