GLASS-BASED ARTICLES WITH STRESS PROFILES HAVING REGIONS OF ENHANCED STRESS

    公开(公告)号:WO2021003212A1

    公开(公告)日:2021-01-07

    申请号:PCT/US2020/040415

    申请日:2020-07-01

    Abstract: Glass-based articles comprise: a lithium-based aluminosilicate composition; a glass-based substrate having opposing first and second surfaces defining a substrate thickness ( t ), wherein t is less than or equal to 0.74 mm; and a stress profile comprising: a spike region extending from the first surface to a tail region. A stress profile comprises: a maximum compressive stress (CS max ) of greater than or equal to 450 MPa; a spike region extending from the first surface to a tail region; and the tail region extending to a center of the glass-based article; wherein the tail region comprises: a region of enhanced stress having a first average compressive stress (CS avg-1 ) of greater than or equal to 100 MPa; and a FSM depth of layer (DOL FSM ) located at a depth of greater than or equal to 13 micrometers.

    LASER SCORING OF A MOVING GLASS RIBBON HAVING A NON-CONSTANT SPEED
    2.
    发明申请
    LASER SCORING OF A MOVING GLASS RIBBON HAVING A NON-CONSTANT SPEED 审中-公开
    具有非恒定速度的移动玻璃板的激光测距

    公开(公告)号:WO2011056781A1

    公开(公告)日:2011-05-12

    申请号:PCT/US2010/055083

    申请日:2010-11-02

    Abstract: Laser scoring of a glass ribbon (13) which moves at a non-constant speed is performed using a tilted track (15) and a carriage (14) which travels down the track. The carriage can include a flying optical head (51) which receives laser light from a flexible laser beam delivery system (61) coupled to a laser (41). Variations in the speed of the ribbon which are less than or equal to ±3% of the ribbon's nominal speed can be accommodated by varying the speed of the carriage and adjusting the output power of the laser (41). Greater speed variations can additionally involve adjusting the tilt angle α the track. Adjustments of the orientation of a first lens unit (53) within the flying optical head (51) can be made to maintain the major axis of the laser beam along the score line as the tilt angle is changed.

    Abstract translation: 以不均匀的速度移动的玻璃带(13)的激光刻痕是使用沿着轨迹向下移动的倾斜轨道(15)和滑架(14)进行的。 托架可以包括从耦合到激光器(41)的柔性激光束传送系统(61)接收激光的飞行光学头(51)。 通过改变滑架的速度并调节激光器的输出功率,可以容纳小于或等于色带标称速度的±3%的色带速度的变化。 更大的速度变化可以另外涉及调整轨道的倾斜角度。 可以使飞行光学头(51)内的第一透镜单元(53)的取向的调整,以随着倾斜角度的变化沿着刻痕线维持激光束的长轴。

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