| 发明名称 |
Objective lens for DVD/CD compatible optical pickup |
| 摘要 |
Disclosed is an objective lens for a DVD/CD compatible optical pickup, which improves optical efficiency while minimizing aberration occurring due to different disc thicknesses of different optical storage media. The objective lens has first and second aspherical lens surfaces.
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| 申请公布号 |
US2005078384(A1) |
申请公布日期 |
2005.04.14 |
| 申请号 |
US20030738265 |
申请日期 |
2003.12.17 |
| 申请人 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
PARK CHEON-HO |
| 分类号 |
G02B13/00;G02B13/18;G11B7/00;G11B7/125;G11B7/135;(IPC1-7):G02B3/02 |
主分类号 |
G02B13/00 |
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