Invention Grant
US08018827B2 Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same
失效
固体浸没透镜和聚焦透镜，光学拾取装置和使用其的数据记录/再现装置
- Patent Title: Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same
- Patent Title (中): 固体浸没透镜和聚焦透镜，光学拾取装置和使用其的数据记录/再现装置
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Application No.: US12268555Application Date: 2008-11-11
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Publication No.: US08018827B2Publication Date: 2011-09-13
- Inventor: SunMin Kim , Tsutomu Ishimoto , Takao Kondo , Ariyoshi Nakaoki
- Applicant: SunMin Kim , Tsutomu Ishimoto , Takao Kondo , Ariyoshi Nakaoki
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Wolf, Greenfield & Sacks, P.C.
- Priority: JP2007-307881 20071128
- Main IPC: G11B7/135
- IPC: G11B7/135
Abstract:
A solid immersion lens (SIL) is provided. The SIL includes a spherical part, a cone-shaped part, a tip part, and an edge part between the cone-shaped part and the tip part. The edge part includes a curved surface.
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