| 发明名称 |
Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same |
| 摘要 |
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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| 申请公布号 |
US8018827(B2) |
申请公布日期 |
2011.09.13 |
| 申请号 |
US20080268555 |
申请日期 |
2008.11.11 |
| 申请人 |
SONY CORPORATION |
发明人 |
KIM SUNMIN;ISHIMOTO TSUTOMU;KONDO TAKAO;NAKAOKI ARIYOSHI |
| 分类号 |
G11B7/135 |
主分类号 |
G11B7/135 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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