发明公开
- 专利标题: An optical memory device
- 专利标题(中): Optische Speichervorrichtung。
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申请号: EP88305348.0申请日: 1988-06-10
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公开(公告)号: EP0298612A1公开(公告)日: 1989-01-11
- 发明人: Takahashi, Akira , Mieda, Michinobu , Miyake, Tomoyuki , Murakami, Yoshiteru , Katayama, Hiroyuki , 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: JP147501/87 19870612
- 主分类号: G11B11/10
- IPC分类号: G11B11/10
摘要:
An optical memory device comprising a substrate (1), a recording medium layer (12), and one or more protective layers (11, 13, 14) for protecting the recording medium layer, wherein at least one of the protective layers is made of aluminum tantalum nitride.
公开/授权文献
- EP0298612B1 An optical memory device 公开/授权日:1992-04-08
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