MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS USING THE SAME

Magnetic recording medium includes at least two layers having different magnetic anisotropy constants formed on a substrate and the perpendicular magnetic anisotropy of the second magnetic film of those magnetic films, far from the substrate surface, made equal to or larger than that of the first ma...

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Main Authors FUTAMOTO, MASAAKI, INABA, NOBUYUKI, HIRAYAMA, YOSHIYUKI, HONDA, YUKIO, YOSHIDA, KAZUETSU, ITO, KENYA
Format Patent
LanguageEnglish
Published 26.07.2001
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Summary:Magnetic recording medium includes at least two layers having different magnetic anisotropy constants formed on a substrate and the perpendicular magnetic anisotropy of the second magnetic film of those magnetic films, far from the substrate surface, made equal to or larger than that of the first magnetic film near to the substrate surface, thus improving the magnetic isolation of the first magnetic film near to the substrate surface.