PROBLEM TO BE SOLVED: To provide a magnetic recording medium that significantly improves an S/N ratio, and further increases recording density by improving thermal fluctuation characteristics and recording characteristics.
SOLUTION: In the magnetic recording medium constituted by laminating at least a soft magnetic underlayer, an orientation control layer to control orientation of the layer directly above, and a vertical magnetic layer 4 having an easy axis of magnetization mainly oriented vertical to a non-magnetic substrate on the non-magnetic substrate, the vertical magnetic layer 4 is composed of two or more magnetic layers 4a, 4b, a non-magnetic layer 7 is disposed between the magnetic layers 4a and 4b, and furthermore, an Fe or Fe alloy layer 9a, 9b are disposed in contact with the non-magnetic layer 7.
COPYRIGHT: (C)2010,JPO&INPIT