发明申请
- 专利标题: Objective lens for an optical pickup apparatus
- 专利标题(中): 用于光学拾取装置的物镜
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申请号: US11716627申请日: 2007-03-12
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公开(公告)号: US20070217315A1公开(公告)日: 2007-09-20
- 发明人: Kohei Ota , Kentarou Nakamura
- 申请人: Kohei Ota , Kentarou Nakamura
- 专利权人: KONICA MINOLTA OPTO, INC.
- 当前专利权人: KONICA MINOLTA OPTO, INC.
- 优先权: JPJP2006-070701 20060315
- 主分类号: G11B7/00
- IPC分类号: G11B7/00
摘要:
An objective lens for use in an optical pickup apparatus, comprises an objective lens satisfying the following expression: 0.01≦|δSA3obj/δλ|
公开/授权文献
- US07733758B2 Objective lens for an optical pickup apparatus 公开/授权日:2010-06-08
信息查询
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