To provide a lens that can prevent generation of a weld within an effective diameter of the lens without changing a shape of the lens (with a desired thickness deviation rate maintained), a method for manufacturing the lens, a lens unit, a camera module, an imaging system, and a mobile body.SOLUTION: A lens 16 of the present invention is formed by an injection mold which causes a melt resin to flow in a mold cavity from one gate and causes a part of the melt resin flowed in the cavity to flow out of a second gate on an opposite side. A first gate trace 16d for the first gate is formed at the time of formation in an outer periphery side surface 16f of the lens 16, while a second gate trace 16e for the second gate at the time of formation is formed in an opposite side to the side where the first gate trace 16d is formed.SELECTED DRAWING: Figure 2

    【課題】レンズ形状を変えることなく(所望の偏肉比を維持しつつ)、レンズ有効径内でのウェルドの発生を防止できるレンズ、レンズ製造方法、レンズユニット、カメラモジュール、撮像システムおよび移動体を提供する。【解決手段】本発明のレンズ16は、一方の第1のゲートから金型キャビティ内に溶融樹脂を流入させつつその流入された溶融樹脂の一部を反対側の第2のゲートから溢出させる射出成形によって成形される。レンズ16の外周側面16fには、成形時の第1のゲートに対応する第1のゲート跡16dが形成されるとともに、成形時の第2のゲートに対応する第2のゲート跡16eが第1のゲート跡16dの反対側に形成される。【選択図】図2


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    Title :

    LENS, METHOD FOR MANUFACTURING LENS, LENS UNIT, CAMERA MODULE, IMAGING SYSTEM, AND MOBILE BODY


    Additional title:

    レンズ、レンズ製造方法、レンズユニット、カメラモジュール、撮像システムおよび移動体


    Contributors:

    Publication date :

    2023-03-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien



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