发明授权
- 专利标题: Recording medium, and recording and reproducing apparatus
- 专利标题(中): 记录介质,以及记录和再现装置
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申请号: US12541648申请日: 2009-08-14
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公开(公告)号: US08238215B2公开(公告)日: 2012-08-07
- 发明人: Morio Nakatani , Kenji Nagatomi , Yoshiyuki Matsumura , Seiichiro Takahashi
- 申请人: Morio Nakatani , Kenji Nagatomi , Yoshiyuki Matsumura , Seiichiro Takahashi
- 申请人地址: JP Osaka
- 专利权人: Sanyo Electric Co., Ltd.
- 当前专利权人: Sanyo Electric Co., Ltd.
- 当前专利权人地址: JP Osaka
- 代理机构: Ditthavong Mori & Steiner, P.C.
- 优先权: JP2007-036894 20070216
- 主分类号: G11B7/20
- IPC分类号: G11B7/20
摘要:
A recording medium includes: at least one recording layer on which information is recorded by multi-photon absorption; and a servo layer disposed in a laminated direction with respect to the recording layer and having a track for guiding a beam spot of laser light having a first wavelength and a beam spot of laser light having a second wavelength along a scanning trajectory, wherein the servo layer and the at least one recording layer constitute a set of layers, and a plurality of sets of layers is formed in the laminated direction.
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