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    • 2. 发明申请
    • METHOD AND APPARATUS FOR INSPECTING A SURFACE OF A SUBSTRATE
    • 用于检查基板表面的方法和装置
    • US20120081701A1
    • 2012-04-05
    • US13210418
    • 2011-08-16
    • Hideaki SASAZAWATakayuki ISHIGUROKiyotaka HORIEYu YANAKA
    • Hideaki SASAZAWATakayuki ISHIGUROKiyotaka HORIEYu YANAKA
    • G01N21/88G01N21/55G01N21/47
    • G01N21/8851G01N21/95G01N2021/4711G01N2021/556G01N2021/8854G01N2021/8874
    • The present invention provides a method and apparatus for inspecting a surface of a substrate. The apparatus includes: a rotatable stage on which a substrate to be inspected is placed; an inspection optical system having an illumination light source for emitting light to a substrate placed on the stage and a detector for detecting light from the substrate which is irradiated with the light from the illumination light source; an A/D converter for amplifying and A/D converting signals output from the detector in the inspection optical system; and a defect detector for detecting defects in a surface of the substrate by processing signals output from the detector and converted by the A/D converter and classifying the defected defects. The defect detector extracts micro defects in the surface of the substrate by processing the signals output from the detector, and detects linear defects existing discretely in a linear region.
    • 本发明提供一种用于检查基板表面的方法和装置。 该装置包括:可旋转台,放置待检查的基板; 具有用于向放置在载物台上的基板发光的照明光源的检查光学系统和用于检测来自基板的光的检测器,所述检测器照射来自照明光源的光; A / D转换器,用于放大和A / D转换检测光学系统中的检测器输出的信号; 以及缺陷检测器,用于通过处理从检测器输出并由A / D转换器转换并对缺陷缺陷进行分类的信号来检测基板的表面中的缺陷。 缺陷检测器通过处理从检测器输出的信号来提取衬底表面的微缺陷,并检测线性区域中离散存在的线性缺陷。
    • 3. 发明申请
    • SUBSTRATE SURFACE DEFECT INSPECTION METHOD AND INSPECTION DEVICE
    • 基板表面缺陷检查方法和检查装置
    • US20130077092A1
    • 2013-03-28
    • US13565833
    • 2012-08-03
    • Hideaki SASAZAWAShigeru SERIKAWAKiyotaka HORIEYu YANAKA
    • Hideaki SASAZAWAShigeru SERIKAWAKiyotaka HORIEYu YANAKA
    • G01N21/956
    • G01N21/94G01N21/95
    • A substrate surface inspection device includes an inspection optical system irradiating at least one light onto a substrate, which is an inspection target and carried on a turnable stage, and having at least one detector detecting reflected or scattered light from the substrate, a detector processing the signals, which are outputted from the at least one detector and A/D converted, and detecting a defect on the substrate, an output calculator performing scattered light simulation on a defect detection model and estimating a plurality of detector outputs; and a classifier constructor constructing a classifier by mechanical learning of a rule base, wherein the classifier constructor is adapted to present collection of a necessary actual defect sample on the basis of the classifier obtained by scattered light simulation, and construct the classifier under necessary and sufficient conditions.
    • 基板表面检查装置包括检查光学系统,其将至少一个光照射到作为检查对象的基板上并承载在可转动台上,并且具有至少一个检测器,其检测来自基板的反射或散射光,检测器处理 信号,其从所述至少一个检测器输出并进行A / D转换,并检测所述基板上的缺陷;输出计算器,对缺陷检测模型执行散射光模拟并估计多个检测器输出; 以及通过规则库的机械学习构建分类器的分类器构造器,其中分类器构造器适于基于通过散射光模拟获得的分类器来呈现必要的实际缺陷样本的收集,并且在必要且足够的情况下构建分类器 条件。