| 摘要 |
PROBLEM TO BE SOLVED: To improve heat radiation characteristics of a head part. SOLUTION: A magnetic core 63 is provided with a coil 64 wound thereon, a magnetic field production part 61 produces a magnetic field to be applied to a magnetooptic disk 5, and a slider 62 in which the magnetic field production part 61 is installed comes into slide contact with the magnetooptic disk, and a head part 55 which applies the magnetic field produced by the magnetic field production part 61 to the magnetooptic disk 5, and the head part 55 is embedded integrally in the slider 62. Therefore, the head part 55 is excellent in the conduction heat radiation.
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