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    • 1. 发明授权
    • Radiometric Kirk test
    • 辐射Kirk测试
    • US08059266B2
    • 2011-11-15
    • US12236050
    • 2008-09-23
    • David A. HultHeine Melle MulderMinne Cuperus
    • David A. HultHeine Melle MulderMinne Cuperus
    • G01J1/00G03B27/42G03B27/32
    • G01J1/04G01J1/0437G03B27/42G03F7/7085G03F7/70941
    • Systems and methods for measuring stray light in a lithographic apparatus are described using Radiometric Kirk Test (also known as Scanning SAMOS Test). The Radiometric Kirk Test of the present invention involves a test pattern having an isolated dark area within a much larger bright field. The radiometric Kirk test includes at least two continuous or stepped scans of an aperture of a detector in an image plane of a lithographic system. During a dark area measurement, the aperture of the detector is positioned such that at least at one point the aperture of the detector is centered within an image of the dark area. During a bright area measurement, the aperture of the detector is positioned within the image of the bright field. The integrated detector signal is correspondingly computed for the dark area measurement and the bright area measurement. The ratio of the integrated dark area measurement result and integrated bright area measurement result is a measure of stray light present in the lithographic apparatus.
    • 使用辐射式Kirk测试(也称为扫描SAMOS测试)描述光刻设备中测量杂散光的系统和方法。 本发明的辐射Kirk测试涉及在更大的明亮场内具有孤立暗区的测试图案。 辐射Kirk测试包括在光刻系统的图像平面中的检测器的孔的至少两次连续或阶梯式扫描。 在黑暗区域测量期间,检测器的孔径被定位成使得至少在一个点处,探测器的孔径在黑暗区域的图像内居中。 在亮区测量中,探测器的孔径位于明场的图像内。 对于暗区测量和亮区测量,相应地计算积分检测器信号。 积分暗区测量结果与集成亮区测量结果的比值是光刻设备中存在的杂散光的量度。
    • 2. 发明申请
    • Radiometric Kirk Test
    • 辐射Kirk测试
    • US20090086179A1
    • 2009-04-02
    • US12236050
    • 2008-09-23
    • David A. HultHeine Melle MulderMinne Cuperus
    • David A. HultHeine Melle MulderMinne Cuperus
    • G01J1/00G03B27/42
    • G01J1/04G01J1/0437G03B27/42G03F7/7085G03F7/70941
    • Systems and methods for measuring stray light in a lithographic apparatus are described using Radiometric Kirk Test (also known as Scanning SAMOS Test). The Radiometric Kirk Test of the present invention involves a test pattern having an isolated dark area within a much larger bright field. The radiometric Kirk test includes at least two continuous or stepped scans of an aperture of a detector in an image plane of a lithographic system. During a dark area measurement, the aperture of the detector is positioned such that at least at one point the aperture of the detector is centered within an image of the dark area. During a bright area measurement, the aperture of the detector is positioned within the image of the bright field. The integrated detector signal is correspondingly computed for the dark area measurement and the bright area measurement. The ratio of the integrated dark area measurement result and integrated bright area measurement result is a measure of stray light present in the lithographic apparatus.
    • 使用辐射式Kirk测试(也称为扫描SAMOS测试)描述光刻设备中测量杂散光的系统和方法。 本发明的辐射Kirk测试涉及在更大的明亮场内具有孤立暗区的测试图案。 辐射Kirk测试包括在光刻系统的图像平面中的检测器的孔的至少两次连续或阶梯式扫描。 在黑暗区域测量期间,检测器的孔径被定位成使得至少在一个点处,探测器的孔径在黑暗区域的图像内居中。 在亮区测量中,探测器的孔径位于明场的图像内。 对于暗区测量和亮区测量,相应地计算积分检测器信号。 积分暗区测量结果与集成亮区测量结果的比值是光刻设备中存在的杂散光的量度。
    • 4. 发明授权
    • Process tuning with polarization
    • 极化过程调谐
    • US09563135B2
    • 2017-02-07
    • US13239034
    • 2011-09-21
    • Steven George HansenHeine Melle MulderTsann-Bim Chiou
    • Steven George HansenHeine Melle MulderTsann-Bim Chiou
    • G03B27/68G03B27/54G03B27/32G03F7/20
    • G03F7/70566G03F7/7005G03F7/70625
    • A method for configuring an illumination source of a lithographic apparatus, the method including dividing the illumination source into pixel groups, each pixel group including one or more illumination source points in a pupil plane of the illumination source; changing a polarization state of each pixel group and determining an incremental effect on each of the plurality of critical dimensions resulting from the change of polarization state; calculating a first plurality of sensitivity coefficients for each of the plurality of critical dimensions using the determined incremental effects; selecting an initial illumination source; iteratively calculating a lithographic metric as a result of a change of polarization state using the calculated first plurality of sensitivity coefficients, the change of the polarization state of the pixel group in the initial illumination source creating a modified illumination source; and adjusting the initial illumination source based on the iterative results of calculations.
    • 一种用于配置光刻设备的照明源的方法,所述方法包括将照明源分为像素组,每个像素组包括照明源的光瞳平面中的一个或多个照明源点; 改变每个像素组的偏振态,并确定由偏振状态改变导致的多个临界尺度中的每一个的增量效应; 使用所确定的增量效应来计算所述多个关键尺寸中的每一个的第一多个灵敏度系数; 选择初始照明源; 使用所计算的第一多个灵敏度系数来迭代地计算作为偏振态的变化的结果的光刻度量,所述初始照明源中的像素组的偏振状态的改变创建修改的照明源; 并根据迭代计算结果调整初始照明源。
    • 6. 发明申请
    • LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD
    • LITHOGRAPHIC装置和装置制造方法
    • US20130107238A1
    • 2013-05-02
    • US13663924
    • 2012-10-30
    • Heine Melle Mulder
    • Heine Melle Mulder
    • G03F7/20G03F7/26
    • G03F7/2008G03F7/26G03F7/70391G03F7/704G03F7/70575
    • A apparatus having a projection system to project a plurality of radiation beams onto a substrate, wherein the plurality of radiation beams includes a first group of one or more radiation beams formed from radiation within a first wavelength range and a second group of one or more radiation beams formed from radiation within a second wavelength range, different from the first wavelength range. The apparatus also has a dispersion element configured such that one or more radiation beams of the first group are incident on the dispersion element at a different angle from the one or more radiation beams of the second group and such that the one or more radiation beams of the first and second group output from the dispersion element are substantially parallel.
    • 一种具有投影系统以将多个辐射束投影到衬底上的投影系统的装置,其中所述多个辐射束包括由第一波长范围内的辐射和第一组一个或多个辐射形成的第一组一个或多个辐射束 在与第一波长范围不同的第二波长范围内的辐射形成的光束。 该装置还具有一个色散元件,其配置成使得第一组的一个或多个辐射束以与第二组的一个或多个辐射束不同的角度入射在分散元件上,并且使得一个或多个辐射束 从分散元件输出的第一和第二组基本上是平行的。