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    • 52. 发明授权
    • Beam output control method, beam output apparatus and exposure system, and device manufacturing method using the exposure system
    • 光束输出控制方法,光束输出装置和曝光系统以及使用曝光系统的装置制造方法
    • US06542222B1
    • 2003-04-01
    • US09626912
    • 2000-07-27
    • Toshihiko TsujiMichiaki Saito
    • Toshihiko TsujiMichiaki Saito
    • G03B2754
    • G03F7/70041G03F7/70358G03F7/70558
    • The present invention relates to a beam output control method in which an output from a pulse energy source that emits pulses of exposure beam used in an exposure apparatus is controlled. This method controls an output from the pulse energy source by changing a control mode in accordance with an operation of the exposure apparatus. The control mode includes at least two of: a first mode in which the output from the pulse energy source is controlled based on a detection result of an energy sensor provided within the pulse energy source; a second mode in which the output from the pulse energy source is controlled based on a detection result of an energy sensor provided in the exposure apparatus; a third mode in which the output from the pulse energy source is controlled so that dispersions in the energy for each pulse of the exposure beam emitted from the pulse energy source are suppressed; and a fourth mode in which the output from the pulse energy source is controlled so that dispersions in the integrated energy of a predetermined number of pulses of the exposure beam emitted from the pulse energy source are suppressed.
    • 本发明涉及一种光束输出控制方法,其中控制在曝光装置中使用的曝光束脉冲的脉冲能量源的输出。 该方法通过根据曝光装置的操作改变控制模式来控制来自脉冲能量源的输出。 控制模式包括以下中的至少两个:第一模式,其中基于设置在脉冲能量源内的能量传感器的检测结果来控制来自脉冲能量源的输出; 基于设置在曝光装置中的能量传感器的检测结果来控制来自脉冲能量源的输出的第二模式; 控制来自脉冲能量源的输出的第三模式,从而抑制从脉冲能量源发射的曝光光束的每个脉冲的能量的分散; 以及第四模式,其中控制来自脉冲能量源的输出,从而抑制从脉冲能量源发射的曝光光束的预定数量的脉冲的积分能量中的分散。
    • 53. 发明授权
    • Exposure apparatus and method
    • 曝光装置和方法
    • US6002467A
    • 1999-12-14
    • US616647
    • 1996-03-15
    • Kenji NishiTakuzo KashimaToshihiko Tsuji
    • Kenji NishiTakuzo KashimaToshihiko Tsuji
    • G03F7/20G03B27/54G02B27/00
    • G03F7/70058G03F7/70358G03F7/70725
    • An exposure apparatus for transferring a pattern on a mask onto a photosensitized substrate by exposure, having an illumination optical system, a mask stage for moving the mask and a substrate stage for moving the substrate. An attenuator is disposed between the light source and the photosensitized substrate for attenuating the illumination beam with a variable attenuator rate. A controller controls the output power of the light source and attenuator of the illumination beam such that the exposure energy approaches a predetermined desired value. A stage controller controls the velocities at which the mask stage and the substrate stage are moved for scanning according to the difference between the exposure energy measured by the sensing system and the predetermined desired value.
    • 一种曝光装置,用于通过曝光将掩模上的图案转印到光敏基板上,具有照明光学系统,用于移动掩模的掩模台和用于移动基板的基板台。 衰减器设置在光源和光敏基板之间,用于以可变的衰减器速率衰减照明光束。 控制器控制照明光束的光源和衰减器的输出功率,使得曝光能量接近预定的期望值。 舞台控制器根据由感测系统测量的曝光能量与预定的期望值之间的差异来控制掩模台和衬底台移动扫描的速度。
    • 59. 发明授权
    • Imaging apparatus
    • 成像设备
    • US09329376B2
    • 2016-05-03
    • US13488601
    • 2012-06-05
    • Yoshinari HigakiMiyoko KawashimaToshihiko Tsuji
    • Yoshinari HigakiMiyoko KawashimaToshihiko Tsuji
    • G02B21/36H04N5/357G02B27/00G02B13/18
    • G02B21/365G02B13/18G02B27/0068H04N5/3572
    • An imaging apparatus comprises: an imaging unit having an imaging optical system and an imaging device; a measuring unit that measures, for each of a plurality of regions on a specimen, an optical aberration or a physical quantity causing the aberration before the imaging of the specimen is performed; a plurality of optical elements that are inserted in an optical path of the imaging optical system for correcting the aberration and that differ in correction amount; and a control unit that selects an optical element from among the optical elements on the basis of a measurement result of the measuring unit, and inserts the selected optical element into the optical path of the imaging optical system before the imaging of the specimen. The imaging optical system is configured to be capable of forming simultaneously images of the plurality of regions on the imaging device.
    • 一种成像装置包括:具有成像光学系统和成像装置的成像单元; 测量单元,其针对样本的多个区域中的每一个测量导致在所述样本的成像之前产生像差的光学像差或物理量; 多个光学元件,其插入到成像光学系统的光路中,用于校正像差,并且校正量不同; 以及控制单元,其基于所述测量单元的测量结果从所述光学元件中选择光学元件,并且在所述样本的成像之前将所选择的光学元件插入所述成像光学系统的光路中。 成像光学系统被配置为能够同时形成成像装置上的多个区域的图像。
    • 60. 发明授权
    • Illumination optical system, exposure apparatus, and method of manufacturing device
    • 照明光学系统,曝光装置和制造装置的方法
    • US08891062B2
    • 2014-11-18
    • US13336022
    • 2011-12-23
    • Toshihiko Tsuji
    • Toshihiko Tsuji
    • G03F7/20
    • G03F7/70075G03F7/70091G03F7/701G03F7/70108G03F7/702
    • An illumination optical system which illuminates an illumination surface with light from a light source, includes a divider which divides light from the light source to generate a plurality of light beams, a first reflective integrator which uniformizes light intensity distributions of the plurality of light beams generated by the divider, a condenser which condenses the light beam from the first reflective integrator, a second reflective integrator which receives the light beam from the condenser and illuminates the illumination surface, and an aperture stop arranged between the second reflective integrator and the illumination surface, wherein the divider generates the plurality of light beams so that light beams each having a cross-sectional shape different from a cross-sectional shape of the light provided from the light source to the divider enter a plane on which the aperture stop is arranged.
    • 一种利用来自光源的光来照射照明面的照明光学系统,包括:分割器,其分割来自光源的光以产生多个光束;第一反射积分器,其使产生的多个光束的光强度分布均匀; 通过分压器,聚集来自第一反射积分器的光束的聚光器,接收来自聚光器的光束并照亮照明表面的第二反射积分器,以及布置在第二反射积分器和照明表面之间的孔径光阑, 其中,所述分割器产生所述多个光束,使得各自具有不同于从所述光源提供给所述分光器的光的横截面形状的横截面形状的光束进入设置有所述孔径光阑的平面。