| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic recording medium excellent in recording and reproducing characteristics. SOLUTION: In the magnetic recording medium including a soft magnetic base film 2, an orientation controlling film 3, a perpendicular magnetic film 4 and a protective film 5 on a non-magnetic substrate 1, the soft magnetic base film 2 includes a material represented by the following composition. The composition: aFe-bCo-cM-eX2-fN, wherein M denotes one, two or more of Ti, Zr, Nb, Hf, Ta, V and Mo, X2 denotes one, two or more of P, C, B and O, a, b, c, e and f each denotes an atomic ratio represented by percentage and 60≤a+b≤90, 30≤a≤90, 5≤c≤20, 0.1≤e≤10 and 3≤f≤30 are satisfied. COPYRIGHT: (C)2011,JPO&INPIT
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