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    • 5. 发明授权
    • Gas gauge, lithographic apparatus and device manufacturing method
    • 气量计,光刻设备及器件制造方法
    • US08220315B2
    • 2012-07-17
    • US12609835
    • 2009-10-30
    • Dzmitry LabetskiYuri Johannes Gabriël Van De Vijver
    • Dzmitry LabetskiYuri Johannes Gabriël Van De Vijver
    • G01B13/08
    • G03B27/52G01B13/12G03F9/7057
    • A gas gauge has a gas delivery tube arranged to determine a distance to an object. The gas delivery tube includes a gas conduit through which a suitable measurement gas is supplied. The measurement gas leaves the gas delivery tube under pressure via an outlet and impinges on the object in an interaction area, wherein a pressure of a recoiled gas is measured by a pressure detector. A gas having a low atomic number may be used. The pressure sensor may include a membrane positioned in the gas delivery tube at least partially enveloping the gas conduit at or near the gas outlet. The pressure sensor may include a membrane disk arranged about the gas conduit. The pressure sensor may include a suitable plurality of pressure elements arranged in a substantially common plane and which may be spaced apart yet enveloping the gas conduit.
    • 气量计具有布置成确定到物体的距离的气体输送管。 气体输送管包括供给合适的测量气体的气体导管。 测量气体通过出口在压力下离开气体输送管,并在相互作用区域中撞击物体,其中通过压力检测器测量反冲气体的压力。 可以使用原子序数低的气体。 压力传感器可以包括位于气体输送管中的膜,其至少部分地包围气体出口处或附近的气体导管。 压力传感器可以包括围绕气体管道布置的膜盘。 压力传感器可以包括布置在基本上共同的平面中并且可以间隔开并包封气体管道的合适的多个压力元件。
    • 6. 发明申请
    • Gas Gauge, Lithographic Apparatus and Device Manufacturing Method
    • 气量计,平版印刷设备和器件制造方法
    • US20100116029A1
    • 2010-05-13
    • US12609835
    • 2009-10-30
    • Dzmitry LabetskiYuri Johannes Gabriël Van De Vijver
    • Dzmitry LabetskiYuri Johannes Gabriël Van De Vijver
    • G01B13/12G03B27/52
    • G03B27/52G01B13/12G03F9/7057
    • A gas gauge has a gas delivery tube arranged to determine a distance to an object. The gas delivery tube includes a gas conduit through which a suitable measurement gas is supplied. The measurement gas leaves the gas delivery tube under pressure via an outlet and impinges on the object in an interaction area, wherein a pressure of a recoiled gas is measured by a pressure detector. A gas having a low atomic number may be used. The pressure sensor may include a membrane positioned in the gas delivery tube at least partially enveloping the gas conduit at or near the gas outlet. The pressure sensor may include a membrane disk arranged about the gas conduit. The pressure sensor may include a suitable plurality of pressure elements arranged in a substantially common plane and which may be spaced apart yet enveloping the gas conduit.
    • 气量计具有布置成确定到物体的距离的气体输送管。 气体输送管包括供给合适的测量气体的气体导管。 测量气体通过出口在压力下离开气体输送管,并在相互作用区域中撞击物体,其中通过压力检测器测量反冲气体的压力。 可以使用原子序数低的气体。 压力传感器可以包括位于气体输送管中的膜,其至少部分地包围气体出口处或附近的气体导管。 压力传感器可以包括围绕气体管道布置的膜盘。 压力传感器可以包括布置在基本上共同的平面中并且可以间隔开并包封气体管道的合适的多个压力元件。