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    • 5. 发明公开
    • Lithography apparatus and device manufacturing method
    • 光刻设备和器件制造方法
    • EP2397906A2
    • 2011-12-21
    • EP11164727.7
    • 2011-05-04
    • Canon Kabushiki Kaisha
    • Sentoku, Koichi
    • G03F9/00H01J37/317
    • H01J37/3174B82Y10/00B82Y40/00G03F7/2059G03F9/7011G03F9/7019G03F9/7053H01J37/3045H01J37/3177H01J2237/24528H01J2237/2482
    • A lithography apparatus includes a first measurement device (22) which measures a position of a mark on a substrate (9) with a light, a second measurement device (24) which measures a position of a reference mark (21) on a stage (13) with a charged-particle, a detector (23b) which detects the position of the stage in a first direction parallel to an axis of a projection system (8) and a second direction perpendicular to the axis, and a controller (C1). The controller determines a charged-particle beam of which an incident angle, relative to the first direction, on the reference mark falls within a tolerance, and obtains a baseline for the first measurement device based on a position of the reference mark measured by the second measurement device using the determined charged-particle beam and a position of the reference mark measured by the first measurement device.
    • 本发明提供一种光刻装置,其包括:利用光测量基板(9)上的标记的位置的第一测量装置(22);测量基台(9)上的基准标记(21)的位置的第二测量装置(24) 13);以及控制器(C1),其具有带电粒子;检测器(23b),其在平行于投影系统(8)的轴线的第一方向和垂直于所述轴线的第二方向上检测所述平台的位置;以及控制器(C1) 。 控制器确定参考标记上相对于第一方向的入射角落入容差内的带电粒子束,并且基于由第二测量装置测量的参考标记的位置来获得第一测量装置的基线 测量装置使用所确定的带电粒子束和由第一测量装置测量的参考标记的位置。
    • 9. 发明公开
    • MEASURING METHOD, MEASURING EQUIPMENT, EXPOSING METHOD AND EXPOSING EQUIPMENT
    • MESSVERFAHREN,MESSGERÄTE,BELICHTUNGSVERFAHREN UNDBELICHTUNGSGERÄTE
    • EP1755152A1
    • 2007-02-21
    • EP05734605.8
    • 2005-04-20
    • NIKON CORPORATION
    • KOBAYASHI, Mitsuru, c/o Nikon CorporationYASUDA, Masahiko, c/o Nikon Corporation
    • H01L21/027G03F9/00
    • G03F9/7046G03F9/7003G03F9/7011G03F9/7019G03F9/7084
    • To perform high-speed and highly accurate measurement by setting desired measuring conditions for each measuring object. In an alignment sensor of exposure apparatus, in the case of performing position measurement for a plurality of sample shots, measurement is performed by changing the measuring conditions, in response to a measuring axis direction, a mark or a layer whereupon a mark to be measured exists. At that time, for the measuring objects to be measured under the same measuring conditions, for example, a position in a Y axis direction and a position in an X axis direction, measurement is continuously performed. When the measuring condition is changed, a baseline value is remeasured. The changeable measuring conditions are wavelength of measuring light, use and selection of a retarder, NA and σ of an optical system, a light quantity of measuring light, illumination shape, signal processing algorithm, etc.
    • 通过设置每个测量对象的所需测量条件来执行高速和高精度的测量。 在曝光装置的对准传感器中,在对多个采样拍摄进行位置测量的情况下,通过根据测量轴方向改变测量条件,进行测量的标记或层,进行测量 存在。 此时,对于在相同测量条件下测量的测量对象,例如,Y轴方向的位置和X轴方向的位置,连续进行测量。 当测量条件改变时,将重新测量基准值。 可变测量条件是测量光的波长,延迟器的使用和选择,光学系统的NA和Ã,测量光的光量,照明形状,信号处理算法等。