发明公开
- 专利标题： OPTICAL DATA STORAGE MEDIUM AND USE OF SUCH A MEDIUM
- 专利标题（中）： 光学数据存储装置及其用途
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申请号： EP02733125.5申请日： 2002-06-04
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公开(公告)号： EP1449209A1公开(公告)日： 2004-08-25
- 发明人: RIJPERS, Johannes, C., N. , VAN DEN BROEK, Jan, J. , WILTING, Hermanus, J., H. , VAN WOUDENBERG, Roel
- 申请人： Koninklijke Philips Electronics N.V.
- 申请人地址： Groenewoudseweg 1 5621 BA Eindhoven NL
- 专利权人： Koninklijke Philips Electronics N.V.
- 当前专利权人： Koninklijke Philips Electronics N.V.
- 当前专利权人地址： Groenewoudseweg 1 5621 BA Eindhoven NL
- 代理机构： Uittenbogaard, Frank
- 优先权： EP01202179 20010607
- 国际公布： WO2002099798 20021212
- 主分类号： G11B7/24
- IPC分类号： G11B7/24 ; G11B7/013
摘要：
The optical data storage medium (20) has a substrate (1) with a surface area having tracks (4) of marks representing stored information. The information is readable by means of a scanning radiation beam (10). A reflective layer (2) is present, reflecting the radiation beam (10). The medium has a radiation beam (10) reflection larger than 50 %. The reflective layer (2) comprises a compound of the formula Al100-yXy, in which formula Al is aluminum and X is an element selected from the group of Ge and Si. The letter y is the atomic fraction of X in at. %. The value of y is in the range 5
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