发明授权
US06608799B2 Magneto-optical reproduction apparatus with detecting of displacement of domain wall of recording domain 失效
磁光再现装置,用于检测记录域的畴壁位移

  • 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
  • 申请号: US09839307
    申请日: 2001-04-23
  • 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
Magneto-optical reproduction apparatus with detecting of displacement of domain wall of recording domain
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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