发明申请
- 专利标题: INFORMATION RECORDING MEDIUM
- 专利标题(中): 信息记录媒体
-
申请号: US12021126申请日: 2008-01-28
-
公开(公告)号: US20080247304A1公开(公告)日: 2008-10-09
- 发明人: Kazuyo Umezawa , Seiji Morita , Koji Takazawa , Hideo Ando , Naomasa Nakamura , Naoki Morishita
- 申请人: Kazuyo Umezawa , Seiji Morita , Koji Takazawa , Hideo Ando , Naomasa Nakamura , Naoki Morishita
- 申请人地址: JP Tokyo
- 专利权人: KABUSHIKI KAISHA TOSHIBA
- 当前专利权人: KABUSHIKI KAISHA TOSHIBA
- 当前专利权人地址: JP Tokyo
- 优先权: JP2007020015 20070130
- 主分类号: G11B7/26
- IPC分类号: G11B7/26
摘要:
According to one embodiment, when recording information by using a semiconductor laser at 450 nm or less, an information recording medium satisfies 9.5×10−8≧λ/(X*NA)≧4.6×10−8 (where X is the linear recording velocity, λ is the laser wavelength, and NA is the numerical aperture).
公开/授权文献
- US1610914A Picker cylinder 公开/授权日:1926-12-14
信息查询
IPC分类: