OPTICAL HEAD
    4.
    发明申请

    公开(公告)号:US20210268601A1

    公开(公告)日:2021-09-02

    申请号:US16631313

    申请日:2018-07-17

    Inventor: Ulrich Gubler

    Abstract: An optical head for a laser transmission welding apparatus comprising a housing with an end on the outlet side with respect to a laser beam and a ball mounted in the housing. The ball may comprise a material whose refractive index is higher than the refractive index of quartz glass.

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