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    • 3. 发明申请
    • METHOD AND SYSTEM FOR USE IN MONITORING PROPERTIES OF PATTERNED STRUCTURES
    • 用于监测图形结构特性的方法和系统
    • US20140142869A1
    • 2014-05-22
    • US14139913
    • 2013-12-24
    • NOVA MEASURING INSTRUMENTS LTD.
    • Yoel COHENBoaz BRILL
    • G01N21/95
    • G01N21/9501G01B11/0625G01B11/24G06F15/00
    • A method and system are presented for use in characterizing properties of an article having a structure comprising a multiplicity of sites comprising different periodic patterns, where method includes providing a theoretical model of prediction indicative of optical properties of different stacks defined by geometrical and material parameters of corresponding sites, said sites being common in at least one of geometrical parameter and material parameter; performing optical measurements on at least two different stacks of the article and generating optical measured data indicative of the geometrical parameters and material composition parameters for each of the measured stacks; processing the optical measured data, said processing comprising simultaneously fitting said optical measured data for the multiple measured stacks with said theoretical model and extracting said at least one common parameter, thereby enabling to characterize the properties of the multi-layer structure within the single article.
    • 提供了一种用于表征具有包括多个不同周期图案的位置的结构的物品的性质的方法和系统,其中方法包括提供指示由几何和材料参数限定的不同叠层的光学性质的预测的理论模型 所述位置在几何参数和材料参数中的至少一个中是常见的; 对物品的至少两个不同堆叠执行光学测量,并产生指示每个所测量的叠层的几何参数和材料组成参数的光学测量数据; 处理所述光学测量数据,所述处理包括同时将所述多个测量堆叠的所述光学测量数据与所述理论模型拟合并提取所述至少一个公共参数,从而能够表征单个物品内的多层结构的属性。