| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic recording medium having a granular magnetic layer, that attains very high Hc necessary for the higher density of magnetic recording, reduces a large amount of Pt required for attaining the high Hc and reduces medium noise caused by the higher density. SOLUTION: The magnetic recording medium is formed by successively laminating at least a non-magnetic base layer, a magnetic layer, a protective layer and a liquid lubricant layer on a non-magnetic substrate. The magnetic layer has a laminated structure formed by laminating two or more layers of magnetic layer components consisting of ferromagnetic grains and non-magnetic grain boundaries enclosing the grains. |
