Invention Grant
US07885164B2 Optical information recording method and optical information recording medium 失效
光信息记录方法和光信息记录介质

  • Patent Title: Optical information recording method and optical information recording medium
  • Patent Title (中): 光信息记录方法和光信息记录介质
  • Application No.: US10576431
    Application Date: 2004-10-21
  • Publication No.: US07885164B2
    Publication Date: 2011-02-08
  • Inventor: Hideyoshi Horimai
  • Applicant: Hideyoshi Horimai
  • Applicant Address: JP Kanagawa
  • Assignee: Optware Corporation
  • Current Assignee: Optware Corporation
  • Current Assignee Address: JP Kanagawa
  • Agency: DLA Piper LLP (US)
  • Priority: JP2003-360978 20031021; JP2004-027554 20040204
  • International Application: PCT/JP2004/015604 WO 20041021
  • International Announcement: WO2005/038789 WO 20050428
  • Main IPC: G11B7/00
  • IPC: G11B7/00
Optical information recording method and optical information recording medium
Abstract:
Provided is an optical information recording method and an optical information recording medium, which can achieve easy duplication in holographic recording. The optical information recording method is for recording information to an optical information recording medium 4 which includes an information recording layer to which information is recorded using holography. In the method, virtual information light 6 composed of information light 2 to which information is added by spatially modulating at least a part of light ray flux emitted from a light source and of recording-specific reference light 3 is generated, and virtual information light 6 and virtual recording-specific reference light 8 are irradiated onto the information recording layer so that information is recorded thereto by interference pattern generated by interference between virtual information light 6 and virtual recording-specific reference light 8.
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