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    • 6. 发明申请
    • METHOD AND SYSTEM FOR USE IN MEASURING IN COMPLEX PATTERNED STRUCTURES
    • 用于测量复杂图案结构的方法和系统
    • WO2012093400A1
    • 2012-07-12
    • PCT/IL2012050003
    • 2012-01-03
    • NOVA MEASURING INSTR LTDBRILL BOAZSHERMAN BORIS
    • BRILL BOAZSHERMAN BORIS
    • G01B11/24G01N21/47
    • G06F17/50G01B11/24G01N21/4788
    • A method and system are presented for use in measuring in complex patterned structures. A full model and at least one approximate model are provided for the same measurement site in a structure, said at least one approximate model satisfying a condition that a relation between the full model and the approximate model is defined by a predetermined function. A library is created for simulated data calculated by the approximate model for the entire parametric space of the approximate model. Also provided is data corresponding to simulated data calculated by the full model in selected points of said parametric space. The library for the approximate model data and said data of the full model are utilized for creating a library of values of a correction term for said parametric space, the correction term being determined as said predetermined function of the relation between the full model and the approximate model. This enable to process measured data by fitting said measured data to the simulated data calculated by the approximate model corrected by a corresponding value of the correction term.
    • 提出了一种用于复杂图案结构测量的方法和系统。 所述至少一个近似模型满足完全模型和近似模型之间的关系由预定功能定义的条件,为整个模型和至少一个近似模型提供了结构中的相同测量点。 为近似模型的整个参数空间的近似模型计算的模拟数据创建库。 还提供了对应于在所述参数空间的选定点中由完整模型计算的模拟数据的数据。 用于近似模型数据的库和所述完整模型的所述数据用于创建用于所述参数空间的校正项的值的库,所述校正项被确定为所述完整模型和所述近似模型之间的关系的所述预定函数 模型。 这使得能够通过将所测量的数据拟合到由校正项的对应值校正的近似模型计算的模拟数据来处理测量数据。
    • 7. 发明申请
    • OPTICAL MEASUREMENTS OF PATTERNED STRUCTURES
    • 模式结构的光学测量
    • WO03075042A2
    • 2003-09-12
    • PCT/IL0300168
    • 2003-03-04
    • NOVA MEASURING INSTR LTDBRILL BOAZGOV SHAHAR
    • BRILL BOAZGOV SHAHAR
    • G01B11/30G03F7/20G02B
    • G03F7/70625G01B11/306
    • A method and a system for optical measuring in a structure having a pattern in the form of spaced-apart parallel elongated regions of optical properties different from that of spaces between said regions. The system comprises a broadband illuminator (8) for generating incident radiation, a spectrophotometer arrangement (30) for detecting a spectral response of the structure to the incident radiation, and an optical arrangement (2) for directing the incident light to the structure and collecting the response of the structure, said optical arrangement (2) comprising a numerical aperture (32) selectively limiting the range of at least one of light incidence or collecting angles in direction substantially perpendicular to longitudinal axes of said elongated regions of the pattern.
    • 一种在结构中进行光学测量的方法和系统,其具有与所述区域之间的空间不同的光学性质的间隔开的平行细长区域形式的图案。 该系统包括用于产生入射辐射的宽带照明器(8),用于检测结构对入射辐射的光谱响应的分光光度计装置(30),以及用于将入射光引导到结构并收集 所述结构的响应,所述光学装置(2)包括数值孔径(32),其选择性地限制在基本上垂直于所述图案的所述细长区域的纵向轴线的方向上的入射光或收集角中的至少一个的范围。
    • 8. 发明申请
    • OPTICAL SYSTEM AND METHOD FOR MEASURING IN PATTERNED STUCTURES
    • 光学系统和测绘方法
    • WO2013011508A3
    • 2013-03-07
    • PCT/IL2012050253
    • 2012-07-18
    • NOVA MEASURING INSTR LTDBARAK GILADBRILL BOAZ
    • BARAK GILADBRILL BOAZ
    • G03F7/20G01B11/22
    • G01B11/22G01B11/24G01N21/27G01N21/9501G03F7/70625H01L22/12H01L2924/0002H01L2924/00
    • An optical system is presented for use in measuring in patterned structures having vias. The optical system comprises an illumination channel for propagating illuminated light onto the structure being measured; a detection channel for collecting light returned from the illuminated structure to a detection unit; and an attenuation assembly accommodated in the illumination and detection channels and being configured and operable for selectively attenuating light propagating along the detection channel, the attenuation creating a predetermined condition for the selectively attenuated light, said predetermined condition being defined by a predetermined ratio between a first light portion corresponding to a dark field condition and a second light portion corresponding to a bright field condition in said selectively attenuated light, detected selectively attenuated light being therefore indicative of at least one parameter of the via being illuminated.
    • 提供了一种用于在具有通孔的图案化结构中进行测量的光学系统。 光学系统包括用于将照明光传播到所测量的结构上的照明通道; 用于将从照明结构返回的光聚集到检测单元的检测通道; 以及衰减组件,其容纳在所述照明和检测通道中并且被配置和可操作以选择性地衰减沿着所述检测通道传播的光,所述衰减产生用于所述选择性衰减的光的预定条件,所述预定条件由第一 对应于暗场条件的光部分和对应于所述选择性衰减的光中的亮场条件的第二光部分,所检测的选择性衰减的光因此指示经过被照亮的至少一个参数。