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    • 7. 发明授权
    • Fixing method, optical component and pickup manufactured by the fixing method
    • 固定方法,通过定影方法制造的光学部件和拾取器
    • US07499229B2
    • 2009-03-03
    • US11136442
    • 2005-05-25
    • Kazuo IshidaYoshitaka ToyoizumiEtsumi Nakajo
    • Kazuo IshidaYoshitaka ToyoizumiEtsumi Nakajo
    • G02B7/02
    • G02B7/025
    • Objective lens 20 is placed above the bobbin 40 at a position opposite to the light emitting end of the light guiding member, and the fixing portions 31 provided appropriately between the objective lens 20 and the lens support 41 are hardened in a short time because of being exposed to a UV hardening light beam which is selectively irradiated onto the fixing portions, or the intensity of which has been reduced to the wavelength region in which optical characteristics of the objective lens are practically deteriorated, in order to reduce the deterioration in the transmission characteristics in the wavelength range at which the optical elements are to be used, when fixing optical elements such as a plastic objective lens, etc., are used with a UV hardening type of adhesive.
    • 物镜20被放置在线轴40的与导光构件的发光端相对的位置上方,并且适当地设置在物镜20和透镜支架41之间的固定部31由于是 暴露于选择性地照射到固定部分上的UV固化光束,或者其强度已经减小到实际上劣化了物镜的光学特性的波长区域,以便减少透射特性的劣化 在使用光学元件的波长范围内,当固定光学元件如塑料物镜等时,使用UV固化型粘合剂。