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    • 81. 发明申请
    • Defect inspection apparatus
    • 缺陷检查装置
    • US20080063258A1
    • 2008-03-13
    • US11979143
    • 2007-10-31
    • Toshifumi Kimba
    • Toshifumi Kimba
    • G06K9/00
    • G01N21/95607G03F7/7065H01J37/222H01J37/265H01J2237/2487
    • A controller determines, in response to a position coordinate from an X/Y interferometer, which algorism should be used for current inspection, and controls a connection status of a switch to store a reference image corresponding thereto in an image memory. The reference image is one of an image of a sample surface obtained by an image data acquisition unit, an image provided from a cell reference image generation unit, and an image provided from a CAD data reference image generation unit. The controller further controls a connection status of a second switch to provide the reference image associated with the current inspection algorism to an image comparator, where the provided reference image is compared with a currently obtained image. On the basis of a result of the comparison, a defect determination unit determines the presence/absence of a defect. Therefore, an utilization efficiency of a defect inspection apparatus which is capable of performing a plurality of defect inspection algorism, can be improved.
    • 控制器响应于来自X / Y干涉仪的位置坐标来确定应当用于当前检查的算法,并且控制开关的连接状态以将与其对应的参考图像存储在图像存储器中。 参考图像是由图像数据获取单元获得的样本表面的图像,从单元参考图像生成单元提供的图像和从CAD数据参考图像生成单元提供的图像之一。 控制器进一步控制第二开关的连接状态,以将与当前检查算法相关联的参考图像提供给图像比较器,其中将所提供的参考图像与当前获得的图像进行比较。 基于比较的结果,缺陷确定单元确定缺陷的存在/不存在。 因此,可以提高能够执行多个缺陷检查算法的缺陷检查装置的利用效率。
    • 84. 发明授权
    • Polishing end point detection method, polishing end point detection apparatus, and polishing apparatus
    • 抛光终点检测方法,抛光终点检测装置和抛光装置
    • US08115912B2
    • 2012-02-14
    • US13237125
    • 2011-09-20
    • Toshifumi Kimba
    • Toshifumi Kimba
    • G01J4/04B24B49/00
    • G01N21/211B24B37/013B24B49/12G01N2021/215
    • A polishing end point detection method is to detect a polishing end point of a workpiece having a multilayer structure. The method is performed by emitting a first light and a second light to a surface of the workpiece at a first angle of incidence and a second angle of incidence, respectively, receiving the first light and the second light reflected from the surface through a polarizing filter, performing a first analyzing process of analyzing a brightness and a saturation of the surface from the first light received, performing a second analyzing process of analyzing a brightness and a saturation of the surface from the second light received, and determining removal of the upper layer based on changes in the brightness and the saturation of the surface.
    • 抛光终点检测方法是检测具有多层结构的工件的抛光终点。 该方法通过以第一入射角和第二入射角分别向工件的表面发射第一光和第二光,通过偏振滤光器接收第一光和从表面反射的第二光, 执行从接收的第一光分析表面的亮度和饱和度的第一分析处理,执行从接收的第二光分析表面的亮度和饱和度的第二分析处理,并且确定上层的去除 基于表面的亮度和饱和度的变化。
    • 85. 发明申请
    • XY-COORDINATE COMPENSATION APPARATUS AND METHOD IN SAMPLE PATTERN INSPECTION APPARATUS
    • XY坐标补偿装置和样本样式检查装置的方法
    • US20100282956A1
    • 2010-11-11
    • US12226683
    • 2007-04-25
    • Toshifumi KimbaKeisuke Mizuuchi
    • Toshifumi KimbaKeisuke Mizuuchi
    • G01D18/00G06F19/00
    • H01J37/3045G01N23/00H01J37/28H01J2237/2817H01L21/681
    • Stage orthogonal error and position errors caused by mirror distortion are reduced. A CPU 10-2 calculates a coordinate error (Δx,Δy) between a measured XY coordinate (x,y) of each of arbitrary reference points on a wafer W0 loaded on a XY stage 10-1 which is measured by a laser interferometer 10-4 and a calculated ideal position XY coordinate of the reference point, calculates an orthogonal error of the XY coordinates on the bases of the calculated coordinate errors (Δx,Δy) and an error due to mirror distortion, and stores them in a storage device 10-5. When a wafer W is actually inspected, the CPU 10-2 corrects the measured position coordinates (x,y) from the laser interferometer 10-4 on the basis of the calculated orthogonal error, and corrects beam deflector 10-7 for deflection on the basis of the calculated error due to mirror distortion.
    • 由镜面失真引起的阶段正交误差和位置误差降低。 CPU10-2计算在载置在XY平台10-1上的晶片W0上的任意基准点的测量XY坐标(x,y)之间的坐标误差(&Dgr; x,&Dgr; y) 激光干涉仪10-4和参考点的计算的理想位置XY坐标,基于计算的坐标误差(&Dgr; x,&Dgr; y)计算XY坐标的正交误差和由于镜像失真引起的误差 并将它们存储在存储设备10-5中。 当实际检查晶片W时,CPU10-2根据计算出的正交误差校正来自激光干涉仪10-4的测量位置坐标(x,y),并且修正光束偏转器10-7以使其偏转 由于镜面失真导致计算误差的基础。
    • 89. 发明申请
    • Defect inspection apparatus
    • 缺陷检查装置
    • US20050205781A1
    • 2005-09-22
    • US11030320
    • 2005-01-07
    • Toshifumi Kimba
    • Toshifumi Kimba
    • G01N21/956G03F7/20G21K7/00
    • G01N21/95607G03F7/7065H01J37/222H01J37/265H01J2237/2487
    • A controller determines, in response to a position coordinate from an X/Y interferometer, which algorism should be used for current inspection, and controls a connection status of a switch to store a reference image corresponding thereto in an image memory. The reference image is one of an image of a sample surface obtained by an image data acquisition unit, an image provided from a cell reference image generation unit, and an image provided from a CAD data reference image generation unit. The controller further controls a connection status of a second switch to provide the reference image associated with the current inspection algorism to an image comparator, where the provided reference image is compared with a currently obtained image. On the basis of a result of the comparison, a defect determination unit determines the presence/absence of a defect. Therefore, an utilization efficiency of a defect inspection apparatus which is capable of performing a plurality of defect inspection algorism, can be improved.
    • 控制器响应于来自X / Y干涉仪的位置坐标来确定应当用于当前检查的算法,并且控制开关的连接状态以将与其对应的参考图像存储在图像存储器中。 参考图像是由图像数据获取单元获得的样本表面的图像,从单元参考图像生成单元提供的图像和从CAD数据参考图像生成单元提供的图像之一。 控制器进一步控制第二开关的连接状态,以将与当前检查算法相关联的参考图像提供给图像比较器,其中将所提供的参考图像与当前获得的图像进行比较。 基于比较的结果,缺陷确定单元确定缺陷的存在/不存在。 因此,可以提高能够执行多个缺陷检查算法的缺陷检查装置的利用效率。