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    • 1. 发明申请
    • METHOD FOR DETECTING SUBSTRATE POSITION OF CHARGED PARTICLE BEAM PHOTOLITHOGRAPHY APPARATUS AND CHARGED PARTICLE BEAM PHOTOLITHOGRAPHY APPARATUS
    • 用于检测充电颗粒光束照相装置和充电颗粒光栅照相装置的基板位置的方法
    • US20100290023A1
    • 2010-11-18
    • US12778472
    • 2010-05-12
    • Kota FUJIWARAYoshiro YamanakaMichihiro KawaguchiKazuhiro Shiba
    • Kota FUJIWARAYoshiro YamanakaMichihiro KawaguchiKazuhiro Shiba
    • G03B27/58
    • G03B27/58B82Y10/00B82Y40/00H01J37/3045H01J37/3174H01J2237/20221H01J2237/2482
    • One aspect of the invention provides a substrate position detecting method for charged particle beam photolithography apparatus in order to be able to measure accurately and simply a substrate position on a stage. The substrate position detecting method for charged particle beam photolithography apparatus includes placing a substrate on a stage that can be moved in an X-direction and a Y-direction; measuring a position in the X-direction of the stage while moving the stage in the X-direction, and illuminating obliquely an upper surface of the substrate with a laser beam to receive light reflected from the substrate with a position sensing device; computing a barycentric position of the reflected light when the stage is moved in the X-direction; measuring a position in the Y-direction of the stage while moving the stage in the Y-direction, and illuminating obliquely the upper surface of the substrate with the laser beam to receive light reflected from the substrate with the position sensing device; computing a barycentric position of the reflected light when the stage is moved in the Y-direction; and computing the positions of the substrate from the position measurement results of the stage and the computed barycentric position.
    • 本发明的一个方面提供一种用于带电粒子束光刻设备的基板位置检测方法,以便能够准确且简单地测量台上的基板位置。 用于带电粒子束光刻设备的基片位置检测方法包括将基片放置在能沿X方向和Y方向移动的台上; 在X方向移动载物台的同时测量载物台的X方向上的位置,用激光束倾斜地照射基板的上表面,以利用位置检测装置接收从基板反射的光; 当所述台沿X方向移动时计算反射光的重心位置; 同时沿着Y方向移动台,测量台的Y方向的位置,并用激光束倾斜地照射基板的上表面,以利用位置感测装置接收从基板反射的光; 当所述载物台沿Y方向移动时计算反射光的重心位置; 以及从所述台的位置测量结果和所计算的重心位置计算所述基板的位置。
    • 4. 发明授权
    • Method for detecting substrate position of charged particle beam photolithography apparatus and charged particle beam photolithography apparatus
    • 用于检测带电粒子束光刻装置和带电粒子束光刻装置的基板位置的方法
    • US08237139B2
    • 2012-08-07
    • US12778472
    • 2010-05-12
    • Kota FujiwaraYoshiro YamanakaMichihiro KawaguchiKazuhiro Shiba
    • Kota FujiwaraYoshiro YamanakaMichihiro KawaguchiKazuhiro Shiba
    • G01N21/86G01V8/00
    • G03B27/58B82Y10/00B82Y40/00H01J37/3045H01J37/3174H01J2237/20221H01J2237/2482
    • One aspect of the invention provides a substrate position detecting method for charged particle beam photolithography apparatus in order to be able to measure accurately and simply a substrate position on a stage. The substrate position detecting method for charged particle beam photolithography apparatus includes placing a substrate on a stage that can be moved in an X-direction and a Y-direction; measuring a position in the X-direction of the stage while moving the stage in the X-direction, and illuminating obliquely an upper surface of the substrate with a laser beam to receive light reflected from the substrate with a position sensing device; computing a barycentric position of the reflected light when the stage is moved in the X-direction; measuring a position in the Y-direction of the stage while moving the stage in the Y-direction, and illuminating obliquely the upper surface of the substrate with the laser beam to receive light reflected from the substrate with the position sensing device; computing a barycentric position of the reflected light when the stage is moved in the Y-direction; and computing the positions of the substrate from the position measurement results of the stage and the computed barycentric position.
    • 本发明的一个方面提供一种用于带电粒子束光刻设备的基板位置检测方法,以便能够准确且简单地测量台上的基板位置。 用于带电粒子束光刻设备的基片位置检测方法包括将基片放置在能沿X方向和Y方向移动的台上; 在X方向移动载物台的同时测量载物台的X方向上的位置,用激光束倾斜地照射基板的上表面,以利用位置检测装置接收从基板反射的光; 当所述台沿X方向移动时计算反射光的重心位置; 同时沿着Y方向移动台,测量台的Y方向的位置,并用激光束倾斜地照射基板的上表面,以利用位置感测装置接收从基板反射的光; 当所述载物台沿Y方向移动时计算反射光的重心位置; 以及从所述台的位置测量结果和所计算的重心位置计算所述基板的位置。