Invention Grant
- Patent Title: Optical information recording medium, information recording method and information recording system
- Patent Title (中): 光信息记录介质,信息记录方法和信息记录系统
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Application No.: US12158622Application Date: 2006-11-30
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Publication No.: US08014260B2Publication Date: 2011-09-06
- Inventor: Yoshihisa Usami
- Applicant: Yoshihisa Usami
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2005-368054 20051221
- International Application: PCT/JP2006/323934 WO 20061130
- International Announcement: WO2007/072666 WO 20070628
- Main IPC: G11B3/70
- IPC: G11B3/70

Abstract:
An optical information recording medium is provided with a substrate having a pregroove formed on one main plane; a reflecting layer arranged on the one main plane of the substrate and reflecting an access controlling laser beam; a selective reflecting layer arranged on the reflecting layer, transmitting the access controlling laser beam and reflecting a recording laser beam; a recording layer arranged on the selective reflecting layer for having information recorded thereon by the recording laser beam; and a reflection preventing layer arranged on the recoding layer. On the substrate, a dummy groove having a shape similar to that of the pregroove is formed on forming regions adjacent to an effective access region on the one main plane.
Public/Granted literature
- US20090231972A1 OPTICAL INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD AND INFORMATION RECORDING SYSTEM Public/Granted day:2009-09-17
Information query
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