公开(公告)号：US07115892B2

公开(公告)日：2006-10-03

申请号：US11302847

申请日：2005-12-13

申请人： Hidetoshi Nishiyama ,  Minori Noguchi ,  Yoshimasa Ooshima ,  Akira Hamamatsu ,  Kenji Watanabe ,  Tetsuya Watanabe ,  Takahiro Jingu

发明人： Hidetoshi Nishiyama ,  Minori Noguchi ,  Yoshimasa Ooshima ,  Akira Hamamatsu ,  Kenji Watanabe ,  Tetsuya Watanabe ,  Takahiro Jingu

IPC分类号： G01N21/88

CPC分类号： G01N21/4738 ,  G01N21/8806 ,  G01N21/93 ,  G01N21/94 ,  G01N21/9501 ,  G01N2015/1486 ,  G01N2015/1493

摘要： Conventionally, a particle/defect inspection apparatus outputs a total number of detected particles/defects as the result of detection. For taking countermeasures to failures in manufacturing processes, the particles/defects detected by the inspection apparatus are analyzed. Since the inspection apparatus outputs a large number of detected particles/defects, an immense time is required for analyzing the detected particles/defects, resulting in a delay in taking countermeasures to a failure in the manufacturing processes. In the present invention, an apparatus for optically inspecting particles or defects relates a particle or defect size to a cause of failure in an inspection result. A data processing circuit points out a cause of failure from the statistics on the inspection result, and displays information on the inspection result. A failure analysis is conducted by setting a threshold for identifying a failure in each of regions on a semiconductor device or the like to statistically evaluate detected particles.

公开(公告)号：US07098055B2

公开(公告)日：2006-08-29

申请号：US11244078

申请日：2005-10-06

申请人： Minori Noguchi ,  Yoshimasa Ohshima ,  Hidetoshi Nishiyama ,  Shunichi Matsumoto ,  Yukio Kembo ,  Ryouji Matsunaga ,  Keiji Sakai ,  Takanori Ninomiya ,  Tetsuya Watanabe ,  Hisato Nakamura ,  Takahiro Jingu ,  Yoshio Morishige ,  Shuichi Chikamatsu

发明人： Minori Noguchi ,  Yoshimasa Ohshima ,  Hidetoshi Nishiyama ,  Shunichi Matsumoto ,  Yukio Kembo ,  Ryouji Matsunaga ,  Keiji Sakai ,  Takanori Ninomiya ,  Tetsuya Watanabe ,  Hisato Nakamura ,  Takahiro Jingu ,  Yoshio Morishige ,  Shuichi Chikamatsu

IPC分类号： H01L21/66 ,  G01R31/26

CPC分类号： B82Y15/00 ,  G01N21/94 ,  G01N21/95623 ,  G01N21/95684 ,  G01N2021/8822 ,  G01R31/308 ,  H01J37/00 ,  H01J2237/022 ,  H01J2237/0225 ,  H01L21/67253 ,  H01L21/67288 ,  H01L21/681 ,  H01L22/12 ,  H01L2924/0002 ,  H01L2924/00

摘要： A defect inspection method includes radiating an illumination slit-shaped beam having lights substantially parallel to a longitudinal direction to a substrate having circuit patterns in a direction inclined at a predetermined gradient relative to the direction of a line normal to the substrate and inclined at a predetermined gradient on a surface with respect to a group of main straight lines of the circuit patterns with its longitudinal direction oriented almost perpendicularly to a direction of a movement of the substrate. Scattered light reflected by a defect such as a foreign particle existing on the illuminated substrate is received and converted into a detection signal by using an image sensor, and defect judging is effected of an extracted a signal indicating a defect such as a foreign particle on the basis of the detection signal output.

公开(公告)号：US06597448B1

公开(公告)日：2003-07-22

申请号：US09644069

申请日：2000-08-23

申请人： Hidetoshi Nishiyama ,  Minori Noguchi ,  Yoshimasa Ohshima ,  Tetsuya Watanabe ,  Hisato Nakamura ,  Takahiro Jingu ,  Yuko Inoue ,  Keiichi Saiki ,  Kenji Watanabe

发明人： Hidetoshi Nishiyama ,  Minori Noguchi ,  Yoshimasa Ohshima ,  Tetsuya Watanabe ,  Hisato Nakamura ,  Takahiro Jingu ,  Yuko Inoue ,  Keiichi Saiki ,  Kenji Watanabe

IPC分类号： G01N2188

CPC分类号： G01N21/898

摘要： A system and method of inspecting a foreign particle or a defect on a sample are provided. Such a method comprises irradiating light to an object to be inspected; detecting reflected light or scattered light from the object to be inspected irradiated with the light; detecting a signal of the foreign particle or the defect from the detected signal; providing information related to a size of the foreign particle or the defect from the signal of the detected foreign particle or the defect; and outputting information on a display screen a distribution of the size of the foreign particle or defect with information indicating a cause of the distribution of the foreign particle or defect.

摘要翻译： 提供了检查样品上的外来颗粒或缺陷的系统和方法。 这种方法包括将光照射到被检测物体上; 检测来自被检查物体的反射光或散射光用光照射; 从检测到的信号中检测外来粒子或缺陷的信号; 从检测到的异物或缺陷的信号提供与异物或缺陷的尺寸有关的信息; 并且在显示屏幕上输出外来粒子或缺陷的大小的分布，其中指示出异物或缺陷的分布原因的信息。

公开(公告)号：US07952700B2

公开(公告)日：2011-05-31

申请号：US12907895

申请日：2010-10-19

申请人： Akira Hamamatsu ,  Minori Noguchi ,  Yoshimasa Ohshima ,  Sachio Uto ,  Taketo Ueno ,  Hiroyuki Nakano ,  Takahiro Jingu ,  Hisashi Hatano ,  Yukihisa Mohara ,  Seiji Otani ,  Takahiro Togashi

发明人： Akira Hamamatsu ,  Minori Noguchi ,  Yoshimasa Ohshima ,  Sachio Uto ,  Taketo Ueno ,  Hiroyuki Nakano ,  Takahiro Jingu ,  Hisashi Hatano ,  Yukihisa Mohara ,  Seiji Otani ,  Takahiro Togashi

IPC分类号： G01N21/00

CPC分类号： G01N21/956

摘要： A method and apparatus of detecting a defect by inspecting a specimen in which a surface of a specimen on which plural patterns are formed is illuminated with an elongated shape light flux from one of plural directions which are different in elevation angle by switching an optical path of the light flux emitted from an illuminating light source in accordance with a kind of defect to be detected. Plural optical images of the specimen illuminated by the elongated shape light flux are captured with plural image sensors installed in different elevation angle directions by changing an enlarging magnification in accordance with a density of the pattern formed on the sample in an area irradiated with the illuminating elongated shape light flux. A defect on the specimen is detected by processing the images captured by the plural image sensors.

摘要翻译： 通过检查其中形成有多个图案的样本的表面的样本来检测缺陷的方法和装置，通过从仰角不同的多个方向之一的细长形状的光束照射， 根据要检测的缺陷的种类从照明光源发射的光束。 通过用安装在不同仰角方向上的多个图像传感器捕获由细长形状光束照射的样本的多个光学图像，通过根据在照射细长的照射区域中在样品上形成的图案的密度来改变放大倍率 形状光通量。 通过处理由多个图像传感器捕获的图像来检测样本上的缺陷。

公开(公告)号：US07817261B2

公开(公告)日：2010-10-19

申请号：US12114139

申请日：2008-05-02

申请人： Akira Hamamatsu ,  Minori Noguchi ,  Yoshimasa Ohshima ,  Sachio Uto ,  Taketo Ueno ,  Hiroyuki Nakano ,  Takahiro Jingu ,  Hisashi Hatano ,  Yukihisa Mohara ,  Seiji Otani ,  Takahiro Togashi

发明人： Akira Hamamatsu ,  Minori Noguchi ,  Yoshimasa Ohshima ,  Sachio Uto ,  Taketo Ueno ,  Hiroyuki Nakano ,  Takahiro Jingu ,  Hisashi Hatano ,  Yukihisa Mohara ,  Seiji Otani ,  Takahiro Togashi

IPC分类号： G01N21/00

CPC分类号： G01N21/956

摘要： A method and apparatus of detecting a defect by inspecting a specimen in which a surface of a specimen on which plural patterns are formed is illuminated with an elongated shape light flux from one of plural directions which are different in elevation angle by switching an optical path of the light flux emitted from an illuminating light source in accordance with a kind of defect to be detected. Plural optical images of the specimen illuminated by the elongated shape light flux are captured with plural image sensors installed in different elevation angle directions by changing an enlarging magnification in accordance with a density of the pattern formed on the sample in an area irradiated with the illuminating elongated shape light flux. A defect on the specimen is detected by processing the images captured by the plural image sensors.

摘要翻译： 通过检查其中形成有多个图案的样本的表面的样本来检测缺陷的方法和装置，通过从仰角不同的多个方向之一的细长形状的光束照射， 根据要检测的缺陷的种类从照明光源发射的光束。 通过用安装在不同仰角方向上的多个图像传感器捕获由细长形状光束照射的样本的多个光学图像，通过根据在照射细长的照射区域中在样品上形成的图案的密度来改变放大倍率 形状光通量。 通过处理由多个图像传感器捕获的图像来检测样本上的缺陷。

公开(公告)号：US20080204724A1

公开(公告)日：2008-08-28

申请号：US12114139

申请日：2008-05-02

申请人： Akira Hamamatsu ,  Minori Noguchi ,  Yoshimasa Ohshima ,  Sachio Uto ,  Taketo Ueno ,  Hiroyuki Nakano ,  Takahiro Jingu ,  Hisashi Hatano ,  Yukihisa Mohara ,  Seiji Otani ,  Takahiro Togashi

发明人： Akira Hamamatsu ,  Minori Noguchi ,  Yoshimasa Ohshima ,  Sachio Uto ,  Taketo Ueno ,  Hiroyuki Nakano ,  Takahiro Jingu ,  Hisashi Hatano ,  Yukihisa Mohara ,  Seiji Otani ,  Takahiro Togashi

IPC分类号： G01N21/00

CPC分类号： G01N21/956

摘要： A method and apparatus of detecting a defect by inspecting a specimen in which a surface of a specimen on which plural patterns are formed is illuminated with an elongated shape light flux from one of plural directions which are different in elevation angle by switching an optical path of the light flux emitted from an illuminating light source in accordance with a kind of defect to be detected. Plural optical images of the specimen illuminated by the elongated shape light flux are captured with plural image sensors installed in different elevation angle directions by changing an enlarging magnification in accordance with a density of the pattern formed on the sample in an area irradiated with the illuminating elongated shape light flux. A defect on the specimen is detected by processing the images captured by the plural image sensors.

摘要翻译： 通过检查其中形成有多个图案的样本的表面的样本来检测缺陷的方法和装置，通过从仰角不同的多个方向之一的细长形状的光束照射， 根据要检测的缺陷的种类从照明光源发射的光束。 通过用安装在不同仰角方向上的多个图像传感器捕获由细长形状光束照射的样本的多个光学图像，通过根据在照射细长的照射区域中在样品上形成的图案的密度来改变放大倍率 形状光通量。 通过处理由多个图像传感器捕获的图像来检测样本上的缺陷。

公开(公告)号：US09602780B2

公开(公告)日：2017-03-21

申请号：US13997496

申请日：2011-11-02

申请人： Masaaki Ito ,  Hidetoshi Nishiyama ,  Takahiro Jingu

发明人： Masaaki Ito ,  Hidetoshi Nishiyama ,  Takahiro Jingu

IPC分类号： H04N7/18 ,  G01N21/47 ,  G01N21/956 ,  H01L21/66 ,  G01N21/95

CPC分类号： H04N7/18 ,  G01N21/47 ,  G01N21/9501 ,  G01N21/956 ,  H01L22/12 ,  H01L2924/0002 ,  H01L2924/00

摘要： In a defect inspecting apparatus, the strength of a fatal defect signal decreases due to miniaturization. Thus, in order to assure a high SN ratio, it is necessary to reduce noises caused by scattered light from a wafer. Roughness of a pattern edge and surface roughness which serve as a scattered-light source are spread over the entire wafer. The present invention has discovered the fact that reduction of an illuminated area is a technique effective for decreasing noises. That is to say, the present invention has discovered the fact that creation of an illuminated area having a spot shape and reduction of the dimension of a spot beam are effective. A plurality of temporally and spatially divided spot beams are radiated to the wafer serving as a sample.

公开(公告)号：US08508727B2

公开(公告)日：2013-08-13

申请号：US13529363

申请日：2012-06-21

申请人： Sachio Uto ,  Minori Noguchi ,  Hidetoshi Nishiyama ,  Yoshimasa Ohshima ,  Akira Hamamatsu ,  Takahiro Jingu ,  Toshihiko Nakata ,  Masahiro Watanabe

发明人： Sachio Uto ,  Minori Noguchi ,  Hidetoshi Nishiyama ,  Yoshimasa Ohshima ,  Akira Hamamatsu ,  Takahiro Jingu ,  Toshihiko Nakata ,  Masahiro Watanabe

IPC分类号： G01N21/00

CPC分类号： G01N21/00 ,  G01N21/9501 ,  G06T7/0004 ,  G06T2207/30148

摘要： An inspecting apparatus and method including first and second illuminating units for illuminating a surface of a specimen to be inspected with different incident angles and first and second detecting optical units arranged at different elevation angle directions to the surface of the specimen for detecting images of the specimen illuminated by the first and second illuminating units.

摘要翻译： 一种检查装置和方法，包括：第一和第二照明单元，用于以不同的入射角照射待检查样本的表面;以及第一和第二检测光学单元，其以不同的仰角方向布置在样本的表面上，用于检测样本的图像 由第一和第二照明单元照亮。

公开(公告)号：US08269959B2

公开(公告)日：2012-09-18

申请号：US13347245

申请日：2012-01-10

申请人： Akira Hamamatsu ,  Minori Noguchi ,  Hidetoshi Nishiyama ,  Yoshimasa Ohshima ,  Takahiro Jingu ,  Sachio Uto

发明人： Akira Hamamatsu ,  Minori Noguchi ,  Hidetoshi Nishiyama ,  Yoshimasa Ohshima ,  Takahiro Jingu ,  Sachio Uto

IPC分类号： G01N21/00

CPC分类号： G01N21/8806 ,  G01N21/94 ,  G01N21/9501 ,  G01N21/95623

摘要： The present invention provides an inspection apparatus and inspection method. The inspection apparatus includes a stage mechanism for supporting an object under inspection. A spatial filter is provided in the detection optical system to inspect the object. A printer is used to print the results of the spatial filter. The spatial filter can be provided in the form of a Fourier transformed image.

摘要翻译： 本发明提供一种检查装置和检查方法。 检查装置包括用于支撑被检查物体的台架机构。 在检测光学系统中设置空间滤波器来检查物体。 打印机用于打印空间滤镜的结果。 空间滤波器可以以傅里叶变换图像的形式提供。

公开(公告)号：US08228495B2

公开(公告)日：2012-07-24

申请号：US13221935

申请日：2011-08-31

申请人： Sachio Uto ,  Minori Noguchi ,  Hidetoshi Nishiyama ,  Yoshimasa Ohshima ,  Akira Hamamatsu ,  Takahiro Jingu ,  Toshihiko Nakata ,  Masahiro Watanabe

发明人： Sachio Uto ,  Minori Noguchi ,  Hidetoshi Nishiyama ,  Yoshimasa Ohshima ,  Akira Hamamatsu ,  Takahiro Jingu ,  Toshihiko Nakata ,  Masahiro Watanabe

IPC分类号： G01N21/00

CPC分类号： G01N21/00 ,  G01N21/9501 ,  G06T7/0004 ,  G06T2207/30148

摘要： An inspecting apparatus and method including first and second illuminating units for illuminating a surface of a specimen to be inspected with different incident angles and first and second detecting optical units arranged at different elevation angle directions to the surface of the specimen for detecting images of the specimen illuminated by the first and second illuminating units.

摘要翻译： 一种检查装置和方法，包括：第一和第二照明单元，用于以不同的入射角照射待检查样本的表面;以及第一和第二检测光学单元，其以不同的仰角方向布置在样本的表面上，用于检测样本的图像 由第一和第二照明单元照亮。