Method of predicting and minimizing model OPC deviation due to mix/match of exposure tools using a calibrated Eigen decomposition model
    62.
    发明授权
    Method of predicting and minimizing model OPC deviation due to mix/match of exposure tools using a calibrated Eigen decomposition model 有权
    使用校准的特征分解模型预测和最小化由于曝光工具的混合/匹配造成的OPC偏差的方法

    公开(公告)号:US07242459B2

    公开(公告)日:2007-07-10

    申请号:US11044711

    申请日:2005-01-28

    IPC分类号: G03B27/32

    摘要: A method for generating models for simulating the imaging performance of a plurality of exposure tools. The method includes the steps of: generating a calibrated model for a first exposure tool capable of estimating an image to be produced by the first exposure tool for a given photolithography process, where the calibrated model includes a first set of basis functions; generating a model of a second exposure tool capable of estimating an image to be produced by the second exposure tool for the photolithography process, where the model includes a second set of basis functions; and representing the second set of basis functions as a linear combination of the first set of basis functions so as to generate an equivalent model function corresponding to the second exposure tool, where the equivalent model function produces a simulated image corresponding to the image generated by the second exposure tool for the photolithography process.

    摘要翻译: 一种用于产生用于模拟多个曝光工具的成像性能的模型的方法。 该方法包括以下步骤:产生用于第一曝光工具的校准模型,该第一曝光工具能够对于给定的光刻工艺估计由第一曝光工具产生的图像,其中校准模型包括第一组基础函数; 生成第二曝光工具的模型,其能够估计由用于光刻工艺的第二曝光工具产生的图像,其中模型包括第二组基础功能; 并且将所述第二组基函数表示为所述第一组基函数的线性组合,以便生成与所述第二曝光工具相对应的等效模型函数,其中所述等效模型函数产生与由所述第二曝光工具生成的图像相对应的模拟图像 用于光刻工艺的第二曝光工具。

    Method of achieving CD linearity control for full-chip CPL manufacturing
    63.
    发明授权
    Method of achieving CD linearity control for full-chip CPL manufacturing 有权
    实现全芯片CPL制造的CD线性控制的方法

    公开(公告)号:US07211815B2

    公开(公告)日:2007-05-01

    申请号:US10659715

    申请日:2003-09-11

    IPC分类号: G01N21/86 G06F17/50

    CPC分类号: G03F1/36 G03F1/34

    摘要: A method of generating masks for printing a pattern including a plurality of features having varying critical dimensions. The method includes the steps of: (1) obtaining data representing the pattern; (2) defining a plurality of distinct zones based on the critical dimensions of the plurality of features; (3) categorizing each of the features into one of the plurality of distinct zones; and (4) modifying the mask pattern for each feature categorized into a predefined distinct zone of the plurality of distinct zones.

    摘要翻译: 一种生成用于打印包括具有不同临界尺寸的多个特征的图案的掩模的方法。 该方法包括以下步骤:(1)获取表示图案的数据; (2)基于所述多个特征的临界尺寸来定义多个不同区域; (3)将每个特征分类为多个不同区域中的一个; 以及(4)对于分类为所述多个不同区域中的预定义的不同区域的每个特征修改所述掩模图案。

    Method and apparatus for performing model-based layout conversion for use with dipole illumination
    64.
    发明授权
    Method and apparatus for performing model-based layout conversion for use with dipole illumination 有权
    用于与偶极照明一起使用的基于模型的布局转换的方法和装置

    公开(公告)号:US07138212B2

    公开(公告)日:2006-11-21

    申请号:US10705231

    申请日:2003-11-12

    IPC分类号: G01F9/00

    摘要: A method of generating complementary masks for use in a multiple-exposure lithographic imaging process. The method includes the steps of: identifying a target pattern having a plurality of features comprising horizontal and vertical edges; generating a horizontal mask based on the target pattern; generating a vertical mask based on the target pattern; performing a shielding step in which at least one of the vertical edges of the plurality of features in the target pattern is replaced by a shield in the horizontal mask, and in which at least one of the horizontal edges of the plurality of features in the target pattern is replaced by a shield in the vertical mask, where the shields have a width which is greater that the width of the corresponding feature in the target pattern; performing an assist feature placement step in which sub-resolution assist features are disposed parallel to at least one of the horizontal edges of the plurality of features in the horizontal mask, and are disposed parallel to at least one of the vertical edges of the plurality of features in the vertical mask, and performing a feature biasing step in which at least one of the horizontal edges of the plurality of features in the horizontal mask are adjusted such that the resulting feature accurately reproduces the target pattern, and at least one of the vertical edges of the plurality of features in the vertical mask are adjusted such that the resulting feature accurately reproduces the target pattern.

    摘要翻译: 一种产生用于多次曝光光刻成像过程的互补掩模的方法。 该方法包括以下步骤:识别具有包括水平和垂直边缘的多个特征的目标图案; 基于目标图案生成水平掩模; 基于目标图案生成垂直掩模; 执行屏蔽步骤,其中目标图案中的多个特征的至少一个垂直边缘被水平掩模中的屏蔽替换,并且其中目标中的多个特征中的至少一个水平边缘 图案由垂直掩模中的屏蔽代替,其中屏蔽具有大于目标图案中相应特征的宽度的宽度; 执行辅助特征放置步骤,其中副分辨率辅助特征平行于水平掩模中的多个特征中的至少一个水平边缘设置,并且平行于多个垂直边缘中的至少一个垂直边缘 特征,并且执行特征偏置步骤,其中水平掩模中的多个特征的水平边缘中的至少一个被调整,使得所得到的特征精确地再现目标图案,并且垂直屏蔽中的至少一个垂直 调整垂直掩模中的多个特征的边缘,使得所得到的特征精确地再现目标图案。

    Method of performing resist process calibration/optimization and DOE optimization for providing OPE matching between different lithography systems
    65.
    发明授权
    Method of performing resist process calibration/optimization and DOE optimization for providing OPE matching between different lithography systems 有权
    执行抗蚀剂工艺校准/优化和DOE优化的方法,以提供不同光刻系统之间的OPE匹配

    公开(公告)号:US07116411B2

    公开(公告)日:2006-10-03

    申请号:US10926400

    申请日:2004-08-26

    IPC分类号: G01B9/00 G03B27/32 G03C5/00

    摘要: A method of optimizing a process for use with a plurality of lithography systems. The method includes the steps of: (a) determining a calibrated resist model for a given process and a target pattern utilizing a first lithography system; (b) selecting a second lithography system to be utilized to image the target pattern utilizing the given process, the second lithography system capable of being configured with one of a plurality of diffractive optical elements, each of the plurality of diffractive optical elements having corresponding variable parameters for optimizing performance of the given diffractive optical element; (c) selecting one of the plurality of diffractive optical elements and simulating the imaging performance of the second lithography system utilizing the selected one of the plurality of diffractive optical elements, the calibrated resist model and the target pattern; and (d) optimizing the imaging performance of the selected one of the plurality of diffractive optical elements by executing a genetic algorithm which identifies the values of the parameters of the selected one of the plurality of diffractive optical elements that optimizes the imaging of the target pattern.

    摘要翻译: 一种优化用于多个光刻系统的工艺的方法。 该方法包括以下步骤:(a)使用第一光刻系统确定用于给定过程的校准抗蚀剂模型和目标图案; (b)选择待利用的第二光刻系统,以利用所述给定的处理对所述目标图案进行成像,所述第二光刻系统能够被配置为具有多个衍射光学元件中的一个衍射光学元件,所述多个衍射光学元件中的每一个具有对应的变量 用于优化给定衍射光学元件的性能的参数; (c)选择多个衍射光学元件中的一个并利用所选择的多个衍射光学元件中的所选择的一个衍射光学元件,校准的抗蚀剂模型和目标图案来模拟第二光刻系统的成像性能; 以及(d)通过执行遗传算法来优化所述多个衍射光学元件中所选择的一个衍射光学元件的成像性能,所述遗传算法识别所述多​​个衍射光学元件中所选择的一个的参数的值,其优化所述目标图案的成像 。

    Optical imaging writer system
    66.
    发明授权
    Optical imaging writer system 有权
    光学成像系统

    公开(公告)号:US09158190B2

    公开(公告)日:2015-10-13

    申请号:US13587773

    申请日:2012-08-16

    摘要: System and method for applying mask data patterns to substrate in a lithography manufacturing process are disclosed. In one embodiment, a parallel imaging writer system includes a plurality of spatial light modulator (SLM) imaging units, where each of the plurality of SLM imaging units includes one or more illumination sources, one or more alignment sources, one or more projection lenses, and a plurality of micro mirrors configured to project light from the one or more illumination sources to the corresponding one or more projection lens. The parallel imaging writer system further includes a controller configured to control the plurality of SLM imaging units, where the controller tunes each of the SLM imaging unit individually in writing a mask data to a substrate.

    摘要翻译: 公开了在光刻制造工艺中将掩模数据图案应用于衬底的系统和方法。 在一个实施例中,并行成像写入器系统包括多个空间光调制器(SLM)成像单元,其中多个SLM成像单元中的每一个包括一个或多个照明源,一个或多个对准源,一个或多个投影透镜, 以及多个微反射镜,其配置成将来自所述一个或多个照明源的光投射到相应的一个或多个投影透镜。 并行成像写入器系统还包括被配置为控制多个SLM成像单元的控制器,其中控制器将掩模数据写入衬底中来分别调整每个SLM成像单元。

    Optical Imaging Writer System
    67.
    发明申请
    Optical Imaging Writer System 有权
    光学成像系统

    公开(公告)号:US20120264066A1

    公开(公告)日:2012-10-18

    申请号:US12475114

    申请日:2009-05-29

    IPC分类号: G03F7/20 G01N21/00

    摘要: System and method for applying mask data patterns to substrate in a lithography manufacturing process are disclosed. In one embodiment, the method includes providing a parallel imaging writer system which has a plurality of spatial light modulator (SLM) imaging units arranged in one or more parallel arrays; receiving a mask data pattern to be written to a substrate, processing the mask data pattern to form a plurality of partitioned mask data patterns corresponding to different areas of the substrate, assigning one or more SLM imaging units to handle each of the partitioned mask data pattern, controlling the plurality of SLM imaging units to write the plurality of partitioned mask data patterns to the substrate in parallel, controlling movement of the plurality of SLM imaging units to cover the different areas of the substrate, and controlling movement of the substrate to be in synchronization with continuous writing of the plurality of partitioned mask data patterns.

    摘要翻译: 公开了在光刻制造工艺中将掩模数据图案应用于衬底的系统和方法。 在一个实施例中,该方法包括提供并行成像写入器系统,其具有布置在一个或多个并行阵列中的多个空间光调制器(SLM)成像单元; 接收要写入衬底的掩模数据图案,处理掩模数据图案以形成对应于衬底的不同区域的多个分割掩模数据模式,分配一个或多个SLM成像单元以处理每个分区掩模数据模式 控制所述多个SLM成像单元并行地将多个分割的掩模数据图案写入到所述基板,控制所述多个SLM成像单元的移动以覆盖所述基板的不同区域,并且控制所述基板的移动 与多个分割的掩模数据模式的连续写入同步。

    Optical imaging writer system
    68.
    发明授权
    Optical imaging writer system 有权
    光学成像系统

    公开(公告)号:US08253923B1

    公开(公告)日:2012-08-28

    申请号:US12337504

    申请日:2008-12-17

    IPC分类号: G03B27/42 G03B27/54

    摘要: System and method for applying mask data patterns to substrate in a lithography manufacturing process are disclosed. In one embodiment, the imaging system includes a plurality of spatial light modulator (SLM) imaging units, where each of the plurality of SLM imaging units includes one or more illumination sources, one or more alignment sources, one or more projection lenses, and a plurality of micro minors configured to project light from the one or more illumination sources to the corresponding one or more projection lens. The imaging system further includes a controller configured to control the plurality of SLM imaging units, where the controller tunes each of the SLM imaging unit individually in writing a mask data to a substrate in a lithography manufacturing process.

    摘要翻译: 公开了在光刻制造工艺中将掩模数据图案应用于衬底的系统和方法。 在一个实施例中,成像系统包括多个空间光调制器(SLM)成像单元,其中多个SLM成像单元中的每一个包括一个或多个照明源,一个或多个对准源,一个或多个投影透镜,以及 多个微型未成体被配置成将来自一个或多个照明源的光投射到相应的一个或多个投影透镜。 成像系统还包括被配置为控制多个SLM成像单元的控制器,其中控制器在光刻制造过程中单独地将每个SLM成像单元以掩模数据写入基板。

    System and Method for Manufacturing Three Dimensional Integrated Circuits
    69.
    发明申请
    System and Method for Manufacturing Three Dimensional Integrated Circuits 有权
    制造三维集成电路的系统和方法

    公开(公告)号:US20120026478A1

    公开(公告)日:2012-02-02

    申请号:US13225404

    申请日:2011-09-02

    IPC分类号: G03B27/42

    摘要: System and method for manufacturing three-dimensional integrated circuits are disclosed. In one embodiment, the method includes providing an imaging writer system that includes a plurality of spatial light modulator (SLM) imaging units arranged in one or more parallel arrays, receiving mask data to be written to one or more layers of the three-dimensional integrated circuit, processing the mask data to form a plurality of partitioned mask data patterns corresponding to the one or more layers of the three-dimensional integrated circuit, assigning one or more SLM imaging units to handle each of the partitioned mask data pattern, and controlling the plurality of SLM imaging units to write the plurality of partitioned mask data patterns to the one or more layers of the three-dimensional integrated circuits in parallel. The method of assigning performs at least one of scaling, alignment, inter-ocular displacement, rotational factor, or substrate deformation correction.

    摘要翻译: 公开了用于制造三维集成电路的系统和方法。 在一个实施例中,该方法包括提供一种成像写入器系统,该系统包括布置在一个或多个并行阵列中的多个空间光调制器(SLM)成像单元,接收要写入三维集成的一个或多个层的掩模数据 处理掩模数据以形成与三维集成电路的一层或多层相对应的多个划分的掩模数据模式,分配一个或多个SLM成像单元以处理每个分割的掩模数据模式,并且控制 多个SLM成像单元将多个划分的掩模数据图案并行地写入三维集成电路的一个或多个层。 分配方法执行缩放,对准,眼内位移,旋转因子或基底变形校正中的至少一个。

    Orientation dependent shielding for use with dipole illumination techniques
    70.
    发明授权
    Orientation dependent shielding for use with dipole illumination techniques 有权
    用于偶极照明技术的取向屏蔽

    公开(公告)号:US07725872B2

    公开(公告)日:2010-05-25

    申请号:US11797407

    申请日:2007-05-03

    IPC分类号: G06F17/50

    摘要: A method of printing a pattern having vertically oriented features and horizontally oriented features on a substrate utilizing dipole illumination, which includes the steps of: identifying background areas contained in the pattern; generating a vertical component mask comprising non-resolvable horizontally oriented features in the background areas; generating a horizontal component mask comprising non-resolvable vertically oriented features in the background areas; illuminating said vertical component mask utilizing an X-pole illumination; and illuminating said horizontal component mask utilizing a Y-pole illumination.

    摘要翻译: 一种利用偶极照明在基板上印刷具有垂直定向特征和水平取向特征的图案的方法,其包括以下步骤:识别图案中包含的背景区域; 在背景区域中生成包括不可解决水平定向特征的垂直分量掩模; 在背景区域中生成包括不可解析的垂直取向特征的水平分量掩模; 利用X极照明照亮所述垂直分量掩模; 并利用Y极照明照亮所述水平分量掩模。