发明授权
- 专利标题： Phase-change information recording medium and optical recording method to make higher rotation rates feasible
- 专利标题（中）： 相变信息记录介质和光学记录方法，使旋转速度更高
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申请号： US09427589申请日： 1999-10-27
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公开(公告)号： US06280810B1公开(公告)日： 2001-08-28
- 发明人: Yuki Nakamura , Katsuyuki Yamada , Eiji Noda , Ippei Ogawa
- 申请人： Yuki Nakamura , Katsuyuki Yamada , Eiji Noda , Ippei Ogawa
- 优先权： JP10-310528 19981030
- 主分类号： B32B302
- IPC分类号： B32B302
摘要：
An information recording medium includes a substrate, a first protective layer formed on the substrate, a recording layer formed on the first protective layer, and a second protective layer formed on the recording layer. The first protective layer has a thickness in a range from 65 nm to 130 nm. The second protective layer has a thickness in a range from 15 nm to 45 nm. The recording layer has a thickness in a range from 15 nm to 35 nm and is composed of a phase-change alloy with the composition in terms of atomic percentage being represented by the formula AgaInbSbcTed where 0