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    Deep penetration welding using lasers
    2.
    发明授权
    Deep penetration welding using lasers 失效
    深层渗透焊接使用激光

    公开(公告)号：US3860784A

    公开(公告)日：1975-01-14

    申请号：US34100973

    申请日：1973-03-14

    Applicant: UNITED AIRCRAFT CORP

    Inventor： BROWN CLYDE O ,  BANAS CONRAD M

    IPC: B23K26/14 ,  B23K27/00

    CPC classification number: B23K26/0643 ,  B23K26/0665 ,  B23K26/147

    Abstract: A TEMoo mode laser beam is focused on a material to be welded to a power density sufficiently high, depending upon the material of the workpiece, so that deep penetration welding occurs producing a weld having a depth-to-width ratio substantially greater than 1. To initiate the weld, the incident power density and power must be sufficiently high to overcome the relatively high reflectivity of metallic workpieces. With relative movement between the workpiece and the beam, seam welding can be performed, as well as lap welding and blind welding.

    Abstract translation: 根据工件的材料，TEMoo模式激光束被聚焦在待焊接的材料至足够高的功率密度上，使得产生深度 - 宽度比基本上大于1的焊缝发生深度穿透焊接。 为了启动焊接，入射功率密度和功率必须足够高以克服金属工件的相对高的反射率。 通过工件与梁之间的相对运动，可进行缝焊，以及搭接焊和盲焊。

    Gas laser
    4.
    发明授权
    Gas laser 失效

    公开(公告)号：US3600704A

    公开(公告)日：1971-08-17

    申请号：US3600704D

    申请日：1968-02-23

    Applicant: UNITED AIRCRAFT CORP

    Inventor： BANAS CONRAD M ,  WALCH ALLAN P ,  ANGELBECK ALBERT W

    IPC: H01S3/0953 ,  H01S3/22

    CPC classification number: H01S3/0953

    Abstract: C02 particles, including small particles for laser chamber cooling and large particles for remote mixing purposes, are injected into the stream of an excited energizing gas in a gas laser, the solid C02 subliming to a gas, becoming excited through resonant collision energy transfer with the energizing gas, and emitting photons so as to generate the laser output.

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