发明授权
- 专利标题: Optically readable information disc provided with a reflective optical structure
- 专利标题(中): 具有反射光学结构的光学可读信息盘
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申请号: US378570申请日: 1982-05-17
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公开(公告)号: US4509161A公开(公告)日: 1985-04-02
- 发明人: Renaat E. Van de Leest , Jan C. Gijsbers
- 申请人: Renaat E. Van de Leest , Jan C. Gijsbers
- 申请人地址: NY New York
- 专利权人: U.S. Philips Corporation
- 当前专利权人: U.S. Philips Corporation
- 当前专利权人地址: NY New York
- 优先权: NLX8200415 19820204
- 主分类号: B41M5/26
- IPC分类号: B41M5/26 ; G11B7/243 ; G11B7/258 ; G11B5/62 ; G01D15/34
摘要:
An optically readable information disc having a reflective optical structure which comprises a reflective layer which is composed of a nitride, carbide or boride of a transition metal selected from the group consisting of titanium, zirconium, hafnium, vanadium, chromium, niobium, molybdenum, lanthanum, tantalum and tungsten.
公开/授权文献
- US5563110A Thermal transfer image-receiving sheet 公开/授权日:1996-10-08
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