Inspection Method and Apparatus, Lithographic Apparatus, Lithographic Processing Cell and Device Manufacturing Method for Determining A Parameter of a Target Pattern
    2.
    发明申请
    Inspection Method and Apparatus, Lithographic Apparatus, Lithographic Processing Cell and Device Manufacturing Method for Determining A Parameter of a Target Pattern 有权
    检测方法和装置,平版印刷装置,平版印刷处理单元和用于确定目标图案参数的装置制造方法

    公开(公告)号:US20090135424A1

    公开(公告)日:2009-05-28

    申请号:US12258719

    申请日:2008-10-27

    IPC分类号: G06F15/00 G01B11/00

    摘要: In a method for determining a structure parameter of a target pattern, a first series of calibration spectra are determined from at least one reference pattern, each spectra being determined using a different known value of at least one structure parameter of the respective reference pattern. The first series of calibration spectra does not take into account parameters of an apparatus used to produce the reference pattern. A representation of each of the first series calibration spectra is stored in a central library. A second series of calibration spectra corresponding to at least one of the stored spectra for a target spectrum is determined using the parameters of the apparatus for measuring the target spectrum. A measured target spectrum is produced by directing a beam of radiation onto the target pattern. The measured target spectrum and the second series of calibration spectra are compared, where this comparison is used to derive a value for the structure parameter of the target pattern.

    摘要翻译: 在用于确定目标图案的结构参数的方法中,从至少一个参考图案确定第一系列校准光谱,每个光谱使用相应参考图案的至少一个结构参数的不同已知值来确定。 第一系列校准光谱没有考虑用于产生参考图案的装置的参数。 每个第一系列校准光谱的表示存储在中央库中。 使用用于测量目标光谱的装置的参数来确定对应于目标光谱的存储光谱中的至少一个的第二系列校准光谱。 通过将辐射束引导到目标图案上来产生测量的目标光谱。 比较测量的目标光谱和第二系列校准光谱,其中该比较用于导出目标图案的结构参数的值。

    Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method
    5.
    发明申请
    Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method 有权
    检测方法和装置,光刻设备,光刻处理单元和器件制造方法

    公开(公告)号:US20080279442A1

    公开(公告)日:2008-11-13

    申请号:US11798039

    申请日:2007-05-09

    IPC分类号: G06K9/00 G03F7/00

    CPC分类号: G03F1/84 G03F7/7065

    摘要: A method of measuring a property of a substrate includes generating a patterned mask configured to cause a radiation beam passing through the mask to acquire the pattern, simulating radiating the substrate with a patterned radiation beam that has been patterned using the mask to obtain a simulated pattern, determining at least one location of the simulated pattern that is prone to patterning errors, and irradiating the substrate with the patterned radiation beam using a lithographic process. The method also includes measuring an accuracy of at least one property of the at least one location of the pattern on the substrate that has been determined as being prone to patterning errors, and adjusting the lithographic process according to the measuring.

    摘要翻译: 测量衬底性质的方法包括:生成图案化掩模,其被配置为使通过掩模的辐射束获得图案,模拟使用掩模图案化的图案化辐射束来辐射衬底以获得模拟图案 ,确定易于图案化错误的模拟图案的至少一个位置,以及使用光刻工艺用图案化的辐射束照射衬底。 该方法还包括测量已经被确定为易于图案化错误的衬底上的图案的至少一个位置的至少一个特性的精度,以及根据测量来调整光刻处理。

    Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method
    7.
    发明授权
    Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method 有权
    检测方法和装置,光刻设备,光刻处理单元和器件制造方法

    公开(公告)号:US08189195B2

    公开(公告)日:2012-05-29

    申请号:US11798039

    申请日:2007-05-09

    CPC分类号: G03F1/84 G03F7/7065

    摘要: A method of measuring a property of a substrate includes generating a patterned mask configured to cause a radiation beam passing through the mask to acquire the pattern, simulating radiating the substrate with a patterned radiation beam that has been patterned using the mask to obtain a simulated pattern, determining at least one location of the simulated pattern that is prone to patterning errors, and irradiating the substrate with the patterned radiation beam using a lithographic process. The method also includes measuring an accuracy of at least one property of the at least one location of the pattern on the substrate that has been determined as being prone to patterning errors, and adjusting the lithographic process according to the measuring.

    摘要翻译: 测量衬底性质的方法包括:生成图案化掩模,其被配置为使通过掩模的辐射束获得图案,模拟使用掩模图案化的图案化辐射束来辐射衬底以获得模拟图案 ,确定易于图案化错误的模拟图案的至少一个位置,以及使用光刻工艺用图案化的辐射束照射衬底。 该方法还包括测量已经被确定为易于图案化错误的衬底上的图案的至少一个位置的至少一个特性的精度,以及根据测量来调整光刻处理。

    Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method
    10.
    发明授权
    Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method 有权
    检测方法和装置,光刻设备,光刻处理单元和器件制造方法

    公开(公告)号:US07916927B2

    公开(公告)日:2011-03-29

    申请号:US11653441

    申请日:2007-01-16

    IPC分类号: G06K9/00 G06K9/62

    CPC分类号: G03F7/70625

    摘要: Building of a model profile for a target is disclosed. An embodiment of the method includes importing an image of a known object and superimposing, on this image, either by hand or automatically, an estimated profile. The estimated profile is defined mathematically and adjusted segment by segment in order to match the image such that the adjusted estimated profile may be stored alongside a diffraction spectrum associated with the image. Alternatively or additionally, a user may trace (or free-draw) the profile of a known image and subsequently map a shape-definer of a mathematical function such as a polynomial equation, a spline or a vector onto the estimated profile in order to obtain a profile and one or more variables of that profile that may be used to reconstruct the profile of an unknown object from its diffraction pattern.

    摘要翻译: 披露了目标的模型配置文件的构建。 该方法的一个实施例包括导入已知对象的图像并且在该图像上手动或自动地叠加估计的轮廓。 估计轮廓被数学地定义并且逐段地调整,以便匹配图像,使得调整的估计轮廓可以与与图像相关联的衍射谱一起存储。 或者或另外,用户可以跟踪(或自由绘制)已知图像的轮廓,并且随后将诸如多项式方程,样条或矢量的数学函数的形状定义器映射到估计轮廓上,以获得 该轮廓的轮廓和一个或多个变量可用于从其衍射图案重建未知物体的轮廓。