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US 4,410,603 AGranted
Magnetic recording medium
AssigneeTokyo Shibaura Denki Kabushiki Kaisha
InventorsKazuyoshi Yamamori, Reiji Nishikawa, Tatsuo Fujiwara, Toshimitsu Asano
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Abstract
A magnetic recording medium for perpendicular magnetic recording comprises a low coercive force material, and a magnetic recording layer which is formed on the low coercive force layer and has magnetic anisotropy perpendicular to the surface of said low coercive force layer. The magnetic recording layer is of 0.3 .mu.m or less in thickness.
Claims7
A magnetic recording medium which comprises:
- a low coercive force material;
- and
- a magnetic recording layer which is formed on the low coercive force layer and whose magnetic anisotropy is perpendicular to the surface of said recording layer,
- and wherein the magnetic recording layer is of a smaller thickness than 0.3 .mu.m.
1 more element
Dependencies are inferred from the claim text.