发明公开
- 专利标题： Multilayered optial disk
- 专利标题（中）： 多层光盘
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申请号： EP90311831.3申请日： 1990-10-29
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公开(公告)号： EP0426409A3公开(公告)日： 1992-01-29
- 发明人: Satoh, Isao , Fukushima,Yoshihisa , Takagi, Yuji , Azumatani, Yasushi , Hamasaka, Hiroshi
- 申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 申请人地址： 1006, Kadoma Kadoma-shi, Osaka-fu 571 JP
- 专利权人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人地址： 1006, Kadoma Kadoma-shi, Osaka-fu 571 JP
- 代理机构： Keltie, David Arthur
- 优先权： JP283241/89 19891030
- 主分类号： G11B7/007
- IPC分类号： G11B7/007 ; G11B7/24
摘要：
A multi-layered optical disk comprising a plurality of recording layers accumulated in the thickness direction wherein a light beam is focused on one of tracks of one of the layers thereby to record and reproduce data, the optical disk being characterized in that recording layers each have an identification section storing an address of the recording layer which the identification section belongs to.
公开/授权文献
- EP0426409B1 Multilayered optial disk 公开/授权日：1997-01-02
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