发明授权
- 专利标题: Immersion microscope objective lens
- 专利标题(中): 浸液显微镜物镜
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申请号: US12633823申请日: 2009-12-09
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公开(公告)号: US07889432B2公开(公告)日: 2011-02-15
- 发明人: Katsuya Watanabe , Takayuki Morita
- 申请人: Katsuya Watanabe , Takayuki Morita
- 申请人地址: JP Tokyo
- 专利权人: Nikon Corporation
- 当前专利权人: Nikon Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Miles & Stockbridge P.C.
- 优先权: JP2008-315458 20081211; JP2009-094059 20090408
- 主分类号: G02B21/02
- IPC分类号: G02B21/02
摘要:
An immersion microscope objective lens of the present invention has: in order from an object, a first lens group G1 having positive refractive power and having a cemented lens of a plano convex lens having a plane facing the object and a meniscus lens having a concave surface facing the object, and a single meniscus lens having a convex surface facing the object; a second lens group having positive refractive power and having a plurality of cemented lenses; and a third lens group having negative refractive power and having a cemented meniscus lens having a concave surface facing an image, and a cemented meniscus lens having a concave surface facing the object. And the following conditional expressions 0.12
公开/授权文献
- US20100182702A1 Immersion microscope objective lens 公开/授权日:2010-07-22