Invention Grant
- Patent Title: Optical information recording medium and mold apparatus for manufacturing the same
- Patent Title (中): 光学信息记录介质及其制造用模具装置
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Application No.: US11740179Application Date: 2007-04-25
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Publication No.: US07859982B2Publication Date: 2010-12-28
- Inventor: Isao Matsuda , Toru Fujii , Yoshikazu Takagishi , Fumi Hara
- Applicant: Isao Matsuda , Toru Fujii , Yoshikazu Takagishi , Fumi Hara
- Applicant Address: JP Tokyo
- Assignee: Taiyo Yuden, Co., Ltd.
- Current Assignee: Taiyo Yuden, Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Law Office of Katsuhiro Arai
- Priority: JP2006-150626 20060428
- Main IPC: G11B7/24
- IPC: G11B7/24
Abstract:
An optical information recording medium comprises at least a substrate on which a groove is formed in a recording area, a recording layer comprising an organic dye, and a reflective layer. The recording area has a preformat area and a data area, and the groove in the preformat area is narrower or shallower than that in the data area.
Public/Granted literature
- US20070258348A1 OPTICAL INFORMATION RECORDING MEDIUM AND MOLD APPARATUS FOR MANUFACTURING THE SAME Public/Granted day:2007-11-08
Information query
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