发明名称 METHOD AND DEVICE FOR RECORDING/REPRODUCING, AND MAGNETO-OPTICAL HEAD
摘要 PROBLEM TO BE SOLVED: To provide a recording method capable of easily forming the recording magnetic zone of an optimal rectangular shape for superhigh-density recording. SOLUTION: A laser light is converged by a group of two lenses 6 and projected while a magneto-optical recording medium 50 is rotated at a desired rotational speed, and the thermal center (high temperature area) of a thermal spot generated based on the light intensity distribution of a laser light is formed outside an optical spot. A magnetic field generation source 3 having a narrow field generation portion in a track direction is disposed so as to be located in the thermal center outside the optical spot, and a narrow recording magnetic field is applied to the high temperature area. Thus, in the track direction, a narrow recording magnetic zone is formed in the high temperature area, and its shape becomes rectangular. Since no interference occurs in rectangular recording magnetic zones adjacent to each other in the track direction even when a gap therebetween is narrowed, high-density recording is carried out.
申请公布号 JP2000306283(A) 申请公布日期 2000.11.02
申请号 JP20000036979 申请日期 2000.02.15
申请人 HITACHI MAXELL LTD 发明人 AWANO HIROYUKI;YAMAZAKI YUJI;SEKINE MASAKI
分类号 G11B11/105;G11B5/02;G11B7/12;G11B7/135 主分类号 G11B11/105
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