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    • 1. 发明申请
    • DIMENSION MEASURING APPARATUS AND DIMENSION MEASURING METHOD FOR SEMICONDUCTOR DEVICE
    • 尺寸测量装置和半导体器件的尺寸测量方法
    • US20080319709A1
    • 2008-12-25
    • US12128364
    • 2008-05-28
    • Masaru KURIHARAMasaru IzawaJunichi Tanaka
    • Masaru KURIHARAMasaru IzawaJunichi Tanaka
    • G01B21/00
    • H01L22/12H01J2237/2813
    • A dimension of a specific part of a semiconductor device is measured with high accuracy and at a high speed.The invention provides a dimension measuring apparatus used for measuring a dimension of a semiconductor device having a first pattern of repeated structure and a second pattern that is linear and formed on the first pattern to extend over the repeated structure. The dimension measuring apparatus comprises: a shape information acquisition means, which acquires information on a shape of the first pattern; a width value acquisition means, which acquires a width value of each portion of the second pattern on a basis of an observation result of the second pattern by a microscope; an analytic area setting means, which sets a plurality of analytic areas on the second pattern such that the analytic areas are adapted for the first pattern's shape acquired by the shape information acquisition means; and a dimension determining means, which extracts, for each of the set analytic areas, width values of portions included in the analytic area in question out of width values acquired by the width value acquisition means, and uses the extracted width values to determine a dimension of the second pattern at portions overlapping the first pattern.
    • 半导体器件的特定部分的尺寸以高精度和高速度被测量。 本发明提供了一种用于测量具有重复结构的第一图案的半导体器件的尺寸的尺寸测量装置,以及线性形成在第一图案上以在重复结构上延伸的第二图案。 尺寸测量装置包括:形状信息获取装置,其获取关于第一图案的形状的信息; 宽度值获取装置,其基于通过显微镜的第二图案的观察结果获取第二图案的每个部分的宽度值; 分析区域设置装置,其在第二图案上设置多个分析区域,使得分析区域适于由形状信息获取装置获取的第一图案的形状; 以及维度确定装置,其针对每个所设定的分析区域提取由所述宽度值获取装置获取的宽度值中包含在所述分析区域中的部分的宽度值,并且使用所提取的宽度值来确定尺寸 在与第一图案重叠的部分处的第二图案。