| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic recording medium and a magnetic memory device capable of implementing high recording density, in the case of using a microwave assisted magnetic recording (MAMR) scheme.SOLUTION: In a magnetic memory device including a magnetic recording medium 130 having a recording film 133 with three or more layers, a recording magnetic pole 122 generating a recording magnetic field, an opposed magnetic pole 124, a high frequency magnetic field generating element 140 generating a microwave for recording assist, and a magnetic reproduction element 112, an anisotropic field of a first layer which is a top layer of the recording film 133 is larger than 20 kOe. |
