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Method for determining statistical fluctuations of values of geometrical properties of structures required for the fabrication of semiconductor components
Method for determining statistical fluctuations of values of geometrical properties of structures required for the fabrication of semiconductor components
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机译:确定半导体元件制造所需结构的几何特性值的统计波动的方法
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摘要
Input parameters and technically possible parameter values associated therewith are selected, from which are obtained support point values and result values assigned thereto for the geometrical properties. At each support point value, the respective result value is assigned to the parameter value assigned to the respective support point value. A response surface is adapted to the result values in a total range of the assigned parameter values. This results in response values for which a minimum value and a maximum value are determined in subranges. A total interval is formed from the largest response value overall and the smallest response value overall. The total interval is divided into a given number of sub-intervals. For each of the sub-intervals, the individual probabilities are cumulated, which yields a total probability value for a respective sub-interval over all the value intervals.
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