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    • 5. 发明申请
    • PATTERN GENERATING APPARATUS AND PATTERN SHAPE EVALUATING APPARATUS
    • 图案生成装置和图案形状评估装置
    • US20090202139A1
    • 2009-08-13
    • US12366196
    • 2009-02-05
    • Yasutaka TOYODAHideo SAKAIRyoichi MATSUOKA
    • Yasutaka TOYODAHideo SAKAIRyoichi MATSUOKA
    • G06K9/00
    • G06K9/00G01R31/31813G06K9/6255G06T7/001G06T2207/30141
    • Although there has been a method for evaluating pattern shapes of electronic devices by using, as a reference pattern, design data or a non-defective pattern, the conventional method has a problem that the pattern shape cannot be evaluated with high accuracy because of the difficulty in defining an exact shape suitable for the manufacturing conditions of the electronic devices. The present invention provides a shape evaluation method for circuit patterns of electronic devices, the method including a means for generating contour distribution data of at least two circuit patterns from contour data sets on the circuit patterns; a means for generating a reference pattern used for the pattern shape evaluation, from the contour distribution data; and a means for evaluating the pattern shape by comparing each evaluation target pattern with the reference pattern.
    • 尽管通过使用设计数据或无缺陷图案作为参考图案来评估电子设备的图案形状的方法,但是由于难度而存在不能高精度地评估图案形状的问题 在定义适合于电子设备的制造条件的精确形状时。 本发明提供一种电子设备的电路图案的形状评估方法,该方法包括一种用于从电路图形上的轮廓数据集生成至少两个电路图案的轮廓分布数据的装置; 从轮廓分布数据生成用于图案形状评估的参考图案的装置; 以及用于通过将每个评估对象图案与参考图案进行比较来评估图案形状的装置。
    • 6. 发明申请
    • PATTERN GENERATING APPARATUS AND PATTERN SHAPE EVALUATING APPARATUS
    • 图案生成装置和图案形状评估装置
    • US20120057774A1
    • 2012-03-08
    • US13294828
    • 2011-11-11
    • Yasutaka TOYODAHideo SakaiRyoichi Matsuoka
    • Yasutaka TOYODAHideo SakaiRyoichi Matsuoka
    • G06K9/00
    • G06K9/00G01R31/31813G06K9/6255G06T7/001G06T2207/30141
    • Although there has been a method for evaluating pattern shapes of electronic devices by using, as a reference pattern, design data or a non-defective pattern, the conventional method has a problem that the pattern shape cannot be evaluated with high accuracy because of the difficulty in defining an exact shape suitable for the manufacturing conditions of the electronic devices. The present invention provides a shape evaluation method for circuit patterns of electronic devices, the method including a means for generating contour distribution data of at least two circuit patterns from contour data sets on the circuit patterns; a means for generating a reference pattern used for the pattern shape evaluation, from the contour distribution data; and a means for evaluating the pattern shape by comparing each evaluation target pattern with the reference pattern.
    • 尽管通过使用设计数据或无缺陷图案作为参考图案来评估电子设备的图案形状的方法,但是由于难度而存在不能高精度地评估图案形状的问题 在定义适合于电子设备的制造条件的精确形状时。 本发明提供一种电子设备的电路图案的形状评估方法,该方法包括一种用于从电路图形上的轮廓数据集生成至少两个电路图案的轮廓分布数据的装置; 从轮廓分布数据生成用于图案形状评估的参考图案的装置; 以及用于通过将每个评估对象图案与参考图案进行比较来评估图案形状的装置。
    • 7. 发明申请
    • Pattern Inspection Method and Pattern Inspection System
    • 模式检验方法和模式检验系统
    • US20100310180A1
    • 2010-12-09
    • US12858209
    • 2010-08-17
    • Yasutaka TOYODAYasunari SoudaYuji TakagiKoji Arai
    • Yasutaka TOYODAYasunari SoudaYuji TakagiKoji Arai
    • G06K9/46
    • H01L22/12H01L2924/0002H01L2924/00
    • A pattern data examination method and system capable of accurately and speedily examining a circuit pattern without failing to extract pattern contour data are provided. While pattern comparison is ordinarily made by using a secondary electron image, a contour of a pattern element is extracted by using a backscattered electron image said to be suitable for observation and examination of a three dimensional configuration of a pattern element, and pattern inspection is executed by using the extracted contour of the pattern element. More specifically, pattern inspection is executed by comparing a contour of a pattern element with design data such as CAD data to measure a difference between the contour and the data, and by computing, for example, the size of the circuit pattern element from the contour of a pattern. From two or more backscattered electron images formed by detecting backscattered electrons at two or more different spatial positions, pattern contour data contained in the backscattered electron images may be obtained.
    • 提供了能够准确且快速地检查电路图案而不会提取图案轮廓数据的图形数据检查方法和系统。 虽然通常使用二次电子图像进行图案比较,但是通过使用所述适合于观察和检查图案元素的三维构造的背散射电子图像来提取图案元素的轮廓,并且执行图案检查 通过使用所提取的图案元素的轮廓。 更具体地,通过将​​图案元素的轮廓与诸如CAD数据的设计数据进行比较来测量轮廓和数据之间的差异,并且例如通过计算来自轮廓的电路图案元素的尺寸来执行图案检查 的模式。 通过在两个或更多个不同的空间位置检测反向散射电子形成的两个或更多个背散射电子图像,可以获得包含在背散射电子图像中的图案轮廓数据。