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    • 10. 发明授权
    • Composite lens and method for manufacturing the same
    • 复合透镜及其制造方法
    • US08111470B2
    • 2012-02-07
    • US12304588
    • 2007-06-06
    • Yoshiyuki ShimizuToshiaki TakanoJun MurataKenji Inoue
    • Yoshiyuki ShimizuToshiaki TakanoJun MurataKenji Inoue
    • G02B3/08
    • G02B3/00B29D11/00009B29D11/00269B29D11/0073G02B3/08G02B5/1852G02B5/1876G02B7/02
    • The present invention relates to a composite lens and a method for manufacturing the same, particularly to a composite lens in which a second lens component is coupled to a first lens component at part of a first surface, and intends to improve optical characteristics. A composite lens (1) has a first lens component (10) and a second lens component (20). The first lens component (10) has a first surface including a first lens surface (13), a peripheral surface (15a) surrounding the first lens surface (13) and a ring surface (17a) included in the peripheral surface (15a) and surrounding the first lens surface (13), and a second lens surface (12) on the opposite side of the first lens surface (13). The second lens component (20) is coupled to the first lens component (10) at part of the first surface surrounded by the ring surface (17a). The ring surface (17a) is positioned on a portion of the first lens component protruding from a joint portion (14) between the first lens surface (13) and the peripheral surface (15a) in a first direction from the second lens surface (20) to the first lens surface (10) along an optical axis of the first lens component (10) and is exposed out of the second lens component (20).
    • 复合透镜及其制造方法技术领域本发明涉及复合透镜及其制造方法,特别是涉及在第一表面的一部分将第二透镜部件与第一透镜部件连接的复合透镜,旨在提高光学特性。 复合透镜(1)具有第一透镜部件(10)和第二透镜部件(20)。 第一透镜部件(10)具有包括第一透镜表面(13),围绕第一透镜表面(13)的外周表面(15a)和包括在外围表面(15a)中的环表面(17a)的第一表面和 围绕第一透镜表面(13),以及在第一透镜表面(13)的相对侧上的第二透镜表面(12)。 第二透镜部件(20)在由环形表面(17a)包围的第一表面的一部分处联接到第一透镜部件(10)。 环形表面(17a)位于第一透镜部件的从第二透镜表面(20)的第一方向从第一透镜表面(13)和外周表面(15a)之间的接合部分(14)突出的部分上 )沿着第一透镜部件(10)的光轴移动到第一透镜表面(10),并且暴露在第二透镜部件(20)之外。