发明授权
- 专利标题: Magneto-optical reproduction apparatus with detecting of displacement of domain wall of recording domain
- 专利标题(中): 磁光再现装置,用于检测记录域的畴壁位移
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申请号: US09839307申请日: 2001-04-23
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公开(公告)号: US06608799B2公开(公告)日: 2003-08-19
- 发明人: Yasushi Hozumi
- 申请人: Yasushi Hozumi
- 优先权: JP2000-124517 20000425
- 主分类号: G11B1100
- IPC分类号: G11B1100
摘要:
Recorded information is reproduced based on the displacement of a domain wall using an optical system having a reproducing optical beam with the beam waist diameter thereof satisfying a condition of 2Wo
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