Invention Grant
- Patent Title: Optical disk having a projection with lateral inclined surface
- Patent Title (中): 具有具有侧向倾斜表面的突起的光盘
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Application No.: US11700904Application Date: 2007-02-01
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Publication No.: US08151289B2Publication Date: 2012-04-03
- Inventor: Seoung Won Lee , Hun Seo , Jun Seok Lee , Jin Hong Kim , Kyung Chan Park
- Applicant: Seoung Won Lee , Hun Seo , Jun Seok Lee , Jin Hong Kim , Kyung Chan Park
- Applicant Address: KR Seoul
- Assignee: LG Electronics Inc.
- Current Assignee: LG Electronics Inc.
- Current Assignee Address: KR Seoul
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: KR2002-54603 20020910
- Main IPC: G11B7/24
- IPC: G11B7/24
Abstract:
The present invention is directed to an optical disk having a projection that prevents full contact of the upper surface of the disk when engaging a supporting surface. The optical disk includes a projection formed in a central portion of the optical disk that abuts or is near the upper surface of a protecting layer.
Public/Granted literature
- US20070136738A1 Optical disk having a projection with lateral inclined surface Public/Granted day:2007-06-14
Information query
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