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    • 8. 发明申请
    • COMPOSITE LENS
    • 复合镜片
    • US20090213476A1
    • 2009-08-27
    • US12393268
    • 2009-02-26
    • Ai TAKUMISatoru OTAYutaka UETA
    • Ai TAKUMISatoru OTAYutaka UETA
    • G02B3/00
    • G02B3/00
    • A composite lens of the present invention has a base lens and a resin lens placed on the base lens. The resin lens has, in an area outside an optically effective diameter, a first surface, a second surface that is adjacent to the first surface, and a third surface that is adjacent to the second surface in sequence from an optical axis to an outer circumference. The first surface has an inclined surface that becomes higher from the outer circumference toward the optical axis, and the inclined surface is connected to the second surface. The second surface has a plane that is substantially perpendicular to the optical axis, and the substantially perpendicular plane is connected to the first plane. The third surface has an inclined surface that becomes lower from an inner circumference toward the outer circumference.
    • 本发明的复合透镜具有放置在基底透镜上的基座透镜和树脂透镜。 树脂透镜在光学有效直径以外的区域具有第一表面,与第一表面相邻的第二表面,以及从光轴到外周依次邻接第二表面的第三表面 。 第一表面具有从外周朝向光轴变高的倾斜面,倾斜面与第二面连接。 第二表面具有基本上垂直于光轴的平面,并且基本上垂直的平面连接到第一平面。 第三表面具有从内周向外周变低的倾斜面。
    • 9. 发明申请
    • OPTICAL LENS, COMPOUND LENS AND METHOD FOR PRODUCING THE SAME, AS WELL AS CEMENTED LENS AND METHOD FOR PRODUCING THE SAME
    • 光学透镜,化合物透镜及其制造方法以及其制造方法及其制造方法
    • US20080151362A1
    • 2008-06-26
    • US11962260
    • 2007-12-21
    • Yutaka UETAYouhei NAKAGAWA
    • Yutaka UETAYouhei NAKAGAWA
    • G02B9/04
    • G02B7/02
    • An optical lens includes a lens effective portion, an inclined portion and a flange portion. The lens effective portion has, on a first side, a lens face with a small radius of curvature and also has, on a second side, a lens face with a large radius of curvature. The inclined portion has, on the first side, an inclined face inclined outwardly from the first side to the second side. The flange portion has, on the second side, a reference face protruding longer than the lens face with the large radius of curvature on the second side. Thus, it is possible to obtain an optical lens which is less susceptible to deformation or chipping and suppresses transmission eccentricity, a compound lens and a method for producing the same, as well as a cemented lens and a method for producing the same.
    • 光学透镜包括透镜有效部分,倾斜部分和凸缘部分。 透镜有效部分在第一侧上具有小曲率半径的透镜面,并且在第二侧上具有大的曲率半径的透镜面。 倾斜部分在第一侧具有从第一侧向第二侧向外倾斜的倾斜面。 凸缘部分在第二侧上具有在第二侧具有较大曲率半径比透镜面突出的参考面。 因此,可以获得不易变形或切片并且抑制透射偏心的复合透镜及其制造方法以及胶合透镜及其制造方法。