Invention Grant
- Patent Title: Optical information recording medium and recording/reproducing method therefor
- Patent Title (中): 光信息记录介质及其记录/再现方法
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Application No.: US12808320Application Date: 2009-10-07
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Publication No.: US08389098B2Publication Date: 2013-03-05
- Inventor: Manami Miyawaki , Yuji Kuroda , Takashi Shimouma
- Applicant: Manami Miyawaki , Yuji Kuroda , Takashi Shimouma
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2008-266222 20081015
- International Application: PCT/JP2009/067490 WO 20091007
- International Announcement: WO2010/044363 WO 20100422
- Main IPC: B32B3/02
- IPC: B32B3/02

Abstract:
An optical information recording medium in which recorded information is stably stored for long time in the initial state, signals are not deteriorated by a laser beam for reproduction at the time of signal reproduction, the quality does not change in normal long-term storage, the write characteristic is held, a manufacturing cost is reduced, a margin in the manufacture process is assured, and excellent recording/reproducing characteristics are obtained in the wide range of linear speeds and recording powers is provided. An optical information recording medium 1 is formed by sequentially stacking a first information recording layer 11, an intermediate layer 12, a second information recording layer 13, and a protection layer 14 on a substrate 10. As a material of a recording layer 13b of the second information recording layer 13, a material having a composition expressed by [(ZnS)x(SiO2)1-x]y(SbzX1-z)1-y (where 0
Public/Granted literature
- US20100278032A1 OPTICAL INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING METHOD THEREFOR Public/Granted day:2010-11-04
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