Invention Grant
- Patent Title: Optical recording medium
- Patent Title (中): 光记录介质
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Application No.: US13820713Application Date: 2011-09-09
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Publication No.: US08747985B2Publication Date: 2014-06-10
- Inventor: Takeshi Miki , Yuki Tauchi
- Applicant: Takeshi Miki , Yuki Tauchi
- Applicant Address: JP Tokyo JP Hyogo
- Assignee: Sony Corporation,Kabushiki Kaisha Kobe Seiko Sho
- Current Assignee: Sony Corporation,Kabushiki Kaisha Kobe Seiko Sho
- Current Assignee Address: JP Tokyo JP Hyogo
- Agency: Dentons US LLP
- Priority: JP2010-208148 20100916
- International Application: PCT/JP2011/005104 WO 20110909
- International Announcement: WO2012/035740 WO 20120322
- Main IPC: G11B7/24
- IPC: G11B7/24

Abstract:
An optical recording medium including a substrate and two or more recording layers that contain Pd, O, and M (M comprises at least one of Zn, Al, In, and Sn), where O is contained in an amount greater than a stoichiometric composition thereof when M is completely oxidized (into ZnO, Al2O3, In2O3, and SnO2). An nth recording layer of the two or more recording layers, as counted from an opposite side of an incident side of recording light, has a Pd content that is less than that of an (n−1)th recording layer.
Public/Granted literature
- US20130164544A1 OPTICAL RECORDING MEDIUM Public/Granted day:2013-06-27
Information query
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