发明公开
EP0378443A2 Method for recording and reproducing information
失效
Verfahren zur Aufnahme und Wiedergabe von信息。
- 专利标题: Method for recording and reproducing information
- 专利标题(中): Verfahren zur Aufnahme und Wiedergabe von信息。
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申请号: EP90300389.5申请日: 1990-01-12
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公开(公告)号: EP0378443A2公开(公告)日: 1990-07-18
- 发明人: Wada, Katsuo , Minami, Etsuji , Ohta, Kenji
- 申请人: SHARP KABUSHIKI KAISHA
- 申请人地址: 22-22 Nagaike-cho Abeno-ku Osaka 545 JP
- 专利权人: SHARP KABUSHIKI KAISHA
- 当前专利权人: SHARP KABUSHIKI KAISHA
- 当前专利权人地址: 22-22 Nagaike-cho Abeno-ku Osaka 545 JP
- 代理机构: Brown, Kenneth Richard
- 优先权: JP7106/89 19890113
- 主分类号: G11B11/00
- IPC分类号: G11B11/00
摘要:
A method and a device for recording and reproducing information utilizing a work function variation of a recording medium, the recording medium being made of a material whose work function can vary according to a structural change thereof caused by the irradiation of an electromagnetic wave or electron beam.
公开/授权文献
- EP0378443B1 Method for recording and reproducing information 公开/授权日:1994-11-02
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