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    • 5. 发明专利
    • Lithographic apparatus and device manufacturing method
    • LITHOGRAPHIC装置和装置制造方法
    • JP2013098565A
    • 2013-05-20
    • JP2012238555
    • 2012-10-30
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • MULDER HEINE MELLE
    • H01L21/027G02B26/10G03F7/20
    • G03F7/2008G03F7/26G03F7/70391G03F7/704G03F7/70575
    • PROBLEM TO BE SOLVED: To provide a lithographic system in which one or more problems introduced by deviation of the wavelength of one or more of radiation beams from a nominal value can be mitigated or minimized, for example.SOLUTION: The lithographic apparatus has a projection system to project a plurality of radiation beams onto a substrate. 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.
    • 要解决的问题:提供一种光刻系统,其中例如可以减轻或最小化一个或多个由一个或多个辐射束的波长偏离标称值引起的问题。 解决方案:光刻设备具有将多个辐射束投影到基板上的投影系统。 多个辐射束包括由第一波长范围内的辐射形成的一个或多个辐射束的第一组和由不同于第一波长范围的第二波长范围内的辐射形成的一个或多个辐射束的第二组。 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。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Lithographic apparatus and method
    • LITHOGRAPHIC设备和方法
    • JP2013046060A
    • 2013-03-04
    • JP2012167153
    • 2012-07-27
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • MULDER HEINE MELLEHANSEN STEVEN GEORGEHOLLINK TIS JOHAN HENRY
    • H01L21/027G02B19/00G03F7/20
    • G03F7/70091
    • PROBLEM TO BE SOLVED: To resolve problems such as increase in cost and complexity of a lithographic process, decrease in throughput, and increase in defects.SOLUTION: A lithographic apparatus includes: an illumination system for providing a radiation beam; a patterning device for adding a pattern in a cross-section of the radiation beam; a substrate holder for holding a substrate; and a projection system for projecting the patterned radiation beam onto a target portion of the substrate. At least while in use, the lithographic apparatus images a pattern on to the substrate using radiation having a bright field intensity distribution in a first direction and a dark field intensity distribution in a second direction substantially perpendicular to the first direction.
    • 要解决的问题:解决光刻工艺的成本和复杂性增加等问题,吞吐量的降低和缺陷的增加。 光刻设备包括:用于提供辐射束的照明系统; 用于在辐射束的横截面中添加图案的图案形成装置; 用于保持衬底的衬底保持器; 以及用于将图案化的辐射束投影到基板的目标部分上的投影系统。 至少在使用时,光刻设备使用在第一方向上具有亮场强度分布的辐射和基本上垂直于第一方向的第二方向上的暗场强度分布的图案将图案成像到基板上。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Process tuning with polarization
    • 过程调整与偏振
    • JP2012074695A
    • 2012-04-12
    • JP2011202518
    • 2011-09-16
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • HANSEN STEVEN GEORGEMULDER HEINE MELLECHIOU TSANN-BIM
    • H01L21/027
    • G03F7/70566G03F7/7005G03F7/70625
    • PROBLEM TO BE SOLVED: To improve the imaging of a mask pattern on a substrate.SOLUTION: This invention is related to a method for configuring an illumination source of a lithographic apparatus. The method includes: a step where the illumination source is divided into pixel groups; a step where each pixel group includes one or more illumination source points in a pupil plane of the illumination source; a step where a polarization state of each pixel group is changed to obtain an incremental effect on each of the plurality of critical dimensions resulting from the change of the polarization state of each pixel group; a step where a first plurality of sensitivity coefficients for each of the plurality of critical dimensions are calculated using the incremental effects; a step where an initial illumination source is selected; a step where a lithographic metric is iteratively calculated as a result of a change of the polarization state of the pixel group of the initial illumination source using the first plurality of sensitivity coefficients; a step where the change of the polarization state of the pixel group of the initial illumination source generates the changed illumination source; and a step where the initial illumination source is adjusted based on the iterative calculation results.
    • 要解决的问题:为了改善衬底上的掩模图案的成像。 解决方案:本发明涉及一种用于配置光刻设备的照明源的方法。 该方法包括:将照明源分割为像素组的步骤; 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的步骤; 每个像素组的偏振状态被改变以获得由每个像素组的偏振状态的改变导致的多个临界尺寸中的每一个的增量效应的步骤; 使用所述增量效应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的步骤; 选择初始照明源的步骤; 作为使用第一多个灵敏度系数的初始照明源的像素组的偏振状态的变化的结果迭代地计算光刻度量的步骤; 其中初始照明源的像素组的偏振状态的变化产生改变的照明源的步骤; 以及基于迭代计算结果调整初始照明源的步骤。 版权所有(C)2012,JPO&INPIT