| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic head for improving write recording density by increasing a write margin, and a disk device equipped with the same.SOLUTION: The magnetic head of the disk device includes a main pole 66 configured to apply a perpendicular recording magnetic field to a recording layer 23 of a recording medium 12, a return pole 68 opposed to the trailing side of the main pole with a write gap therebetween and configured to form a magnetic circuit in conjunction with the main pole, a coil 65 configured to excite magnetic flux in the magnetic circuit that includes the main pole and the return pole, a plurality of high-frequency oscillatory elements 70a, 70b individually interposed between the main pole and the return pole, including a plurality of magnetic films different in magnetic resonance frequency, and configured to individually apply high-frequency magnetic fields to the recording medium, and an electrical circuit 80 configured to energize the high-frequency oscillatory elements. |
