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    • 1. 发明授权
    • Method of determining stray radiation lithographic projection apparatus
    • 确定杂散放射光刻投影仪的方法
    • US06862076B2
    • 2005-03-01
    • US10684826
    • 2003-10-15
    • Heine Melle MulderMarco Hugo Petrus Moers
    • Heine Melle MulderMarco Hugo Petrus Moers
    • G02B13/00G02B13/18G03F7/20H01L21/027G03B27/32G03B27/52G03B27/54
    • G03F7/70941
    • A system and method for determining the stray radiation condition of a projection system, is presented herein. The invention includes providing a detector with a detector aperture coincident with the image plane of the projection system, measuring a reference parameter in accordance with the projection beam intensity, measuring a stray radiation parameter of an image of an isolated feature and calculating a coefficient representative of the stray radiation condition of the projection system based on the measured stray radiation parameter and the reference parameter. The extent of the detector aperture fits within the extent of a notional shape, which is defined by first scaling down the shape of the feature and subsequently displacing each line element constituting the edge of the scaled down shape, parallel to itself, over a distance of at least λ/NA in a direction perpendicular to that line element.
    • 本文提出了一种用于确定投影系统的杂散辐射条件的系统和方法。 本发明包括提供具有与投影系统的图像平面重合的检测器孔的检测器,根据投影光束强度测量参考参数,测量孤立特征的图像的杂散辐射参数并计算代表 基于测量的杂散辐射参数和参考参数的投影系统的杂散辐射条件。 检测器孔的范围适合于理想形状的范围,其通过首先按比例缩小特征的形状并随后将构成与其自身平行的缩小形状的边缘的每个线元素移位一段距离 在垂直于该线元件的方向上至少为λ/ NA。
    • 2. 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。
    • 4. 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。