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    • 7. 发明公开
    • 단부 검사 장치의 교정 방법
    • 端部检查装置的校准方法
    • KR1020090029223A
    • 2009-03-20
    • KR1020087031160
    • 2007-06-14
    • 가부시키가이샤 레이텍스
    • 히라모토가즈유키이와사키쯔요시
    • G01N21/93G01B11/30G01N21/956H01L21/66
    • G01N21/9503G01B11/306G01N21/274G01N21/4788
    • Provided is a calibration method for an end portion inspecting device including a light emitting unit for irradiating the end portion of an object substrate with an inspection light, and a detection unit for detecting the optical characteristics of a reflected light reflected on the end portion of the object substrate. The calibration method detects a defect having occurred at the end portion of the object substrate, on the basis of the optical characteristics of the reflected light, which are detected by the detection unit. The calibration method is characterized by comprising a pseudo defect forming step of forming a plurality of pseudo defects, in which at least one of positions, shapes and sizes in a thickness direction is set different from each other, in the circumferential direction at the end portion of a calibration substrate or a reference, a detecting step of detecting the optical characteristics of the reflected light with the detection unit by irradiating each of the pseudo defects with the inspection light, and an adjusting step of calibrating the end portion inspecting device on the basis of the optical characteristics of the reflected light, which are individually detected from each of the pseudo defects.
    • 本发明提供了一种端部检查装置的校准方法,其包括:用检测光照射被检体的端部的发光部,以及检测部,其检测在所述检测光的端部反射的反射光的光学特性 物体衬底。 校准方法基于由检测单元检测到的反射光的光学特性来检测在对象基板的端部处发生的缺陷。 校准方法的特征在于包括:伪缺陷形成步骤,形成多个伪缺陷,其中在厚度方向上的位置,形状和尺寸中的至少一个在端部处沿圆周方向彼此不同 校准基板或基准的检测步骤;检测步骤,用检测光照射每个伪缺陷,用检测单元检测反射光的光学特性;以及调整步骤,基于该校准基准 的反射光的光学特性,其从每个伪缺陷单独检测。