LASER CUTTING OF THERMALLY TEMPERED SUBSTRATES
    71.
    发明申请
    LASER CUTTING OF THERMALLY TEMPERED SUBSTRATES 审中-公开
    激光切割温度基板

    公开(公告)号:US20160200621A1

    公开(公告)日:2016-07-14

    申请号:US14993236

    申请日:2016-01-12

    Abstract: Systems and methods for laser-cutting thermally tempered substrates are disclosed. In one embodiment, a method of separating a thermally tempered substrate includes directing a laser beam focal line such that at least a portion of the laser beam focal line is within a bulk of the thermally tempered substrate. The focused pulsed laser beam is pulsed to form a sequence of pulse bursts comprising one or more sub-pulses. The laser beam focal line produces a damage track within the bulk of the tempered substrate along the laser beam focal line. Relative motion is provided between the focused pulsed laser beam and the tempered substrate such that the pulsed laser beam forms a sequence of damage tracks within the tempered substrate. Individual damage tracks of the sequence of damage tracks are separated by a lateral spacing, and one or more microcracks connect adjacent damage tracks of the sequence of damage tracks.

    Abstract translation: 公开了用于激光切割热回火衬底的系统和方法。 在一个实施例中,分离热回火衬底的方法包括引导激光束焦线,使得激光束焦线的至少一部分在热回火衬底的主体内。 聚焦的脉冲激光束被脉冲以形成包括一个或多个子脉冲的脉冲串序列。 激光束焦线沿着激光束焦线在回火基板的主体内产生损伤轨迹。 在聚焦的脉冲激光束和回火衬底之间提供相对运动,使得脉冲激光束在回火衬底内形成一系列损伤轨迹。 损伤轨迹序列的单个损伤轨迹由横向间隔分开,并且一个或多个微裂纹连接损坏轨迹序列的相邻损伤轨迹。

    TRANSPARENT MATERIAL CUTTING WITH ULTRAFAST LASER & BEAM OPTICS
    72.
    发明申请
    TRANSPARENT MATERIAL CUTTING WITH ULTRAFAST LASER & BEAM OPTICS 有权
    透明材料切割与超快激光和光束光学

    公开(公告)号:US20150166397A1

    公开(公告)日:2015-06-18

    申请号:US14529801

    申请日:2014-10-31

    Abstract: A system for laser drilling of a material includes a pulsed laser configured to produce a pulsed laser beam having a wavelength less than or equal to about 850 nm, the wavelength selected such that the material is substantially transparent at this wavelength. The system further includes an optical assembly positioned in the beam path of the laser, configured to transform the laser beam into a laser beam focal line oriented along the beam propagation direction, on a beam emergence side of the optical assembly.

    Abstract translation: 用于激光钻孔材料的系统包括被配置为产生波长小于或等于约850nm的脉冲激光束的脉冲激光器,所选择的波长使得材料在该波长处基本上是透明的。 该系统还包括位于激光束的光束路径中的光学组件,其配置成在光学组件的光束出射侧将激光束转换成沿光束传播方向定向的激光束焦点。

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