发明公开
EP1726010A4 OPTICAL RECORDING MEDIUM AND TWO LAYERED OPTICAL RECORDING MEDIUM, RECORDING AND REPRODUCING METHOD AND RECORDING AND REPRODUCING APPARATUS USING MEDIA
审中-公开
光学记录介质和双层光记录介质，记录和重放和介质中使用的记录和再现装置
- 专利标题： OPTICAL RECORDING MEDIUM AND TWO LAYERED OPTICAL RECORDING MEDIUM, RECORDING AND REPRODUCING METHOD AND RECORDING AND REPRODUCING APPARATUS USING MEDIA
- 专利标题（中）： 光学记录介质和双层光记录介质，记录和重放和介质中使用的记录和再现装置
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申请号： EP05721436申请日： 2005-03-17
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公开(公告)号： EP1726010A4公开(公告)日： 2009-03-04
- 发明人: SHINKAI MASARU , SHINOTSUKA MICHIAKI , IWASA HIROYUKI
- 申请人： RICOH KK
- 专利权人： RICOH KK
- 当前专利权人： RICOH KK
- 优先权： JP2004078370 2004-03-18
- 主分类号： G11B7/00
- IPC分类号： G11B7/00 ; G11B7/24038 ; G11B7/243 ; G11B7/2433 ; G11B7/257 ; G11B7/2578 ; G11B7/258 ; G11B7/259
摘要：
The present invention provides an optical recording medium comprising a transparent first substrate and a first dielectric layer, a recording layer, a second dielectric layer and a reflective layer which are laminated on the first substrate in this order, wherein the recording layer comprises a thin layer comprising mainly an alloy represented by the composition formula: GexSbyTez (wherein x, y and z represent respectively an atomic %, and x, y and z satisfy respectively the following equations: 3.5
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