Invention Grant
- Patent Title: Manufacturing method of optical disc and optical disc
- Patent Title (中): 光盘和光盘的制造方法
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Application No.: US11791284Application Date: 2005-11-17
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Publication No.: US07801014B2Publication Date: 2010-09-21
- Inventor: Yoshihiro Sugiura , Takeshi Koitabashi
- Applicant: Yoshihiro Sugiura , Takeshi Koitabashi
- Applicant Address: JP
- Assignee: Sony Disc & Digital Solutions Inc.
- Current Assignee: Sony Disc & Digital Solutions Inc.
- Current Assignee Address: JP
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: JP2004-337205 20041122
- International Application: PCT/JP2005/021498 WO 20051117
- International Announcement: WO2006/054782 WO 20060526
- Main IPC: G11B7/24
- IPC: G11B7/24
Abstract:
An optical disc of a desired thickness is formed by adhering a stamper substrate 20 to an L0 layer substrate 10. Concave/convex portions to transfer fine concave/convex portions for an L1 layer are formed on one principal plane of the stamper substrate 20. After the fine concave/convex portions for the L1 layer were transferred and formed onto an intermediate layer 32 by the stamper substrate 20, the stamper substrate 20 is adhered to the L0 layer substrate 10.
Public/Granted literature
- US20080037402A1 Manufacturing Method of Optical Disc and Optical Disc Public/Granted day:2008-02-14
Information query
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