会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Pattern inspection apparatus, pattern inspection method, and recording medium
    • 图案检查装置,图案检查方法和记录介质
    • US07660455B2
    • 2010-02-09
    • US11044159
    • 2005-01-28
    • Masahiro YamamotoTadashi Kitamura
    • Masahiro YamamotoTadashi Kitamura
    • G06K9/00G06K9/48G06K9/62
    • G06K9/00G06K9/6206G06K2209/19G06T7/001G06T7/12G06T2207/30121G06T2207/30148
    • First, a pattern inspection apparatus detects the first edge from an image of a pattern to-be-inspected. Next, the pattern inspection apparatus conducts matching of the image of the pattern to-be-inspected and the first reference pattern by comparing the first edge and an edge of the first reference pattern. Since, as a result of the matching, a shift quantity S1 can be obtained, and then the first reference pattern is shifted by this shift quantity S1. Subsequently the pattern to-be-inspected is inspected by comparing the first edge and the edge of the first reference pattern so shifted. In this first inspection, pattern deformation quantities are obtained and defects are detected. A shift quantity S2 can be obtained as one of the pattern deformation quantities. Next, in order to detect the second edge from the pattern image to-be-inspected, the corresponding second reference pattern is shifted by a shift quantity S1+S2. Using the second reference pattern so shifted, a profile is obtained on the pattern image to-be-inspected and the second edge is detected. Then, by comparing the second edge and the edge of the second reference pattern so shifted, the pattern to-be-inspected is inspected. Also in this second inspection, the pattern deformation quantities are obtained and defects are detected. A shift quantity S3 can be obtained as one of the pattern deformation quantities.
    • 首先,图案检查装置从要检查的图案的图像检测第一边缘。 接下来,图案检查装置通过比较第一参考图案的第一边缘和边缘来进行被检查图案的图像与第一参考图案的匹配。 由于作为匹配的结果,可以获得移位量S1,然后第一基准图案偏移该移位量S1。 随后,通过比较如此偏移的第一参考图案的第一边缘和边缘来检查待检查的图案。 在该第一检查中,获得图案变形量并检测缺陷。 作为图案变形量之一,可以获得偏移量S2。 接下来,为了从要检查的图案图像检测第二边缘,相应的第二参考图案偏移了移位量S1 + S2。 使用这样偏移的第二参考图案,在待检查的图案图像上获得轮廓并检测第二边缘。 然后,通过比较如此移动的第二参考图案的第二边缘和边缘,检查待检查的图案。 此外,在该第二检查中,获得图案变形量并检测缺陷。 可以获得作为图案变形量之一的偏移量S3。