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公开(公告)号:US20060030060A1
公开(公告)日:2006-02-09
申请号:US11244080
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
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: An apparatus for detecting defects on a specimen including am illumination optical unit which obliquely projects a laser onto a region which is longer in one direction than in a direction transverse to said one direction on a surface of a specimen, a table unit which mounts said specimen and which is movable, a detection optical unit which detects with an image sensor an image of light formed by light reflected from said specimen in both directions of the one direction and the direction transverse and which reflected light in both directions is formed on said image sensor while said table is moving, a signal processor which processes a signal outputted from said image sensor of said detection optical unit to extract defects of said specimen. A display unit which displays information of defects extracted by said signal processor.
摘要翻译: 一种用于检测试样上的缺陷的装置,包括:am照明光学单元,其将激光倾斜地突出到在一个方向上比沿着与所述一个方向横切的方向在一个方向上长的区域;安装所述样本的台单元 检测光学单元,其利用图像传感器检测在所述图像传感器上形成有从所述一个方向的两个方向和横向方向反射的光形成的光,并且在所述图像传感器上形成两个方向的反射光 当所述表移动时,信号处理器处理从所述检测光学单元的所述图像传感器输出的信号,以提取所述样本的缺陷。 一种显示由所述信号处理器提取的缺陷信息的显示单元。
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公开(公告)号:US07037735B2
公开(公告)日:2006-05-02
申请号:US10170378
申请日:2002-06-14
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
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.
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公开(公告)号:US5818576A
公开(公告)日:1998-10-06
申请号:US744454
申请日:1996-11-07
IPC分类号: G01N21/956 , G01N21/89
CPC分类号: G01N21/95607
摘要: An extraneous substance inspection apparatus for a patterned wafer, according to the present invention, comprises an optical sensor having a plurality of detecting portions arranged to receive the scattering light corresponding to pixels and produce the detection signal corresponding to the respective pixels, a delay circuit responsive to the detection signal from the optical sensor for delaying the detection signal by a predetermined time and a judging circuit for judging an absence or presence of contaminant by comparing an output of the delay circuit with the detection signal from said optical sensor, wherein the wafer is inclined by a predetermined angle with respect to a direction parallel to the arranging direction of the detecting portions of the optical sensor and the predetermined time corresponds to a difference in scan time between a position of one pixel and substantially the same position as that of the one pixel in one chip of another pixel in another chip adjacent to that chip, the another pixel being determined corresponding to the predetermined angle in the X-Y scanning.
摘要翻译: 根据本发明的用于图案化晶片的外来物质检查装置包括具有多个检测部分的光学传感器,所述检测部分布置成接收与像素相对应的散射光,并产生对应于各个像素的检测信号,响应于延迟电路 涉及来自光学传感器的检测信号,用于将检测信号延迟预定时间;以及判断电路,用于通过将延迟电路的输出与来自所述光学传感器的检测信号进行比较来判断是否存在污染物,其中晶片为 相对于与光学传感器的检测部分的排列方向平行的方向倾斜预定的角度,并且预定时间对应于在一个像素的位置和与一个像素的位置基本相同的位置之间的扫描时间差 像素在与另一个芯片相邻的另一个芯片中的另一个像素的一个芯片中 在X-Y扫描中,对应于预定角度确定另一个像素。
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公开(公告)号:US5694214A
公开(公告)日:1997-12-02
申请号:US768553
申请日:1996-12-18
CPC分类号: G01N21/8851
摘要: A surface inspection apparatus of the present invention comprises an optical sensor having a plurality of detecting portions arranged in a sub-scan direction, the detecting portions being responsive to the scattering light for producing the detection signals correspondingly to respective pixels, a detection optical system including an objective lens and disposed between the optical sensor and the thing to be inspected, a projection optical system for irradiating the thing to be inspected with the laser beam having a cross sectional area large enough to cover the scattering light to be received by the plurality of the detecting portions through the detection optical system and an inspection device responsive to the detection signals for inspecting the surface of the thing to be inspected, wherein one of the detection optical system lens and the optical sensor is mounted such that a setting axis thereof is aligned in a plane perpendicular to an optical axis of the detection optical system lens with a light receiving direction which makes an angle with respect to the sub scan direction and in which shading is minimum.
摘要翻译: 本发明的表面检查装置包括具有沿副扫描方向排列的多个检测部分的光学传感器,所述检测部分响应散射光,以对应于各个像素产生检测信号;检测光学系统,包括 物镜,设置在光学传感器和待检查物体之间;投影光学系统,用于用具有足够大的横截面积的激光束照射待检查的物体,以覆盖由多个 所述检测部分通过所述检测光学系统和检测装置,所述检查装置响应于用于检查被检查物体的表面的检测信号,其中所述检测光学系统透镜和所述光学传感器中的一个安装成使得其设定轴对准 在与检测光学系统的光轴垂直的平面中 具有相对于副扫描方向成角度并且其中阴影最小的光接收方向的m个透镜。
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公开(公告)号:US07692779B2
公开(公告)日:2010-04-06
申请号:US11244080
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: G01N21/00
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: An apparatus for detecting defects on a specimen including an illumination optical unit which obliquely projects a laser onto a region which is longer in one direction than in a direction transverse to said one direction on a surface of a specimen, a table unit which mounts said specimen and which is movable, a detection optical unit which detects with an image sensor an image of light formed by light reflected from said specimen in both directions of the one direction and the direction transverse and which reflected light in both directions is formed on said image sensor while said table is moving, a signal processor which processes a signal outputted from said image sensor of said detection optical unit to extract defects of said specimen. A display unit which displays information of defects extracted by said signal processor.
摘要翻译: 一种用于检测试样上的缺陷的装置,包括照射光学单元,该照明光学单元将激光倾斜地突出到在一个方向上比沿垂直于所述一个方向的横向方向在一个方向上更长的区域;安装所述样本的台单元 检测光学单元,其利用图像传感器检测在所述图像传感器上形成有从所述一个方向的两个方向和横向方向反射的光形成的光,并且在所述图像传感器上形成两个方向的反射光 当所述表移动时,信号处理器处理从所述检测光学单元的所述图像传感器输出的信号,以提取所述样本的缺陷。 一种显示由所述信号处理器提取的缺陷信息的显示单元。
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公开(公告)号:US07639350B2
公开(公告)日:2009-12-29
申请号:US11681981
申请日:2007-03-05
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: G01N21/00
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 method for detecting defects on a specimen includes mounting a specimen on a table with which is movable, obliquely projecting a laser as a line onto a surface of the specimen, detecting with an image sensor an image of light formed by light reflected from the specimen and passed through a filter which blocks scattered light resulting from repetitive patterns formed on the specimen, processing a signal outputted from the image sensor to extract defects of the specimen, and a displaying information of defects extracted by the signal processor.
摘要翻译: 一种检测试样缺陷的方法,其特征在于,将试样安装在可移动的台面上,将作为线的激光线倾斜投射到试样的表面上,用图像传感器检测由试样反射的光形成的光的图像 通过滤波器,该滤波器阻挡由样本上形成的重复图案产生的散射光,处理从图像传感器输出的信号,提取样本的缺陷,以及由信号处理器提取的缺陷的显示信息。
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公开(公告)号:US20060030059A1
公开(公告)日:2006-02-09
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
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.
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8.
公开(公告)号:US5880828A
公开(公告)日:1999-03-09
申请号:US898598
申请日:1997-07-22
CPC分类号: G01N21/94
摘要: A surface defect inspection device according to the present invention is provided with an average value calculating means in which an article corresponding to an object to be inspected having a multiplicity of substantially uniformly distributed standard particles deposited thereon is scanned in a main scanning direction as a defect inspection object, detection values of the standard particles at every detecting pixel are obtained based on detection signals obtained from an optical sensor at respective scanning positions while assuming the standard particles as being defects and average values of every detecting pixel with regard to the detection values obtained at the respective scanning positions are calculated, and a shading correction means in which detection values of every detecting pixel obtained when the object to be inspected is inspected are subjected to shading correction for every detecting pixel based on the calculated average values of every detecting pixel.
摘要翻译: 根据本发明的表面缺陷检查装置设置有平均值计算装置,其中与主要扫描方向上扫描具有沉积在其上的多个大致均匀分布的标准颗粒的待检查对象的物品作为缺陷 检测对象中,基于从各个扫描位置处的光学传感器获得的检测信号,将标准粒子作为缺陷而得到的各检测像素的标准粒子的检测值,以及所获取的检测值的每个检测像素的平均值 计算各扫描位置,并且根据所计算出的每个检测像素的平均值,对检测对象物检测出的每个检测像素的检测值进行阴影校正,对每个检测像素进行阴影校正。
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公开(公告)号:US5724132A
公开(公告)日:1998-03-03
申请号:US736582
申请日:1996-10-24
IPC分类号: G01R31/311 , H01L21/66 , G01N21/00
CPC分类号: G01R31/311 , H01L22/12
摘要: An extraneous substance inspection apparatus includes a level conversion circuit for converting a level of an extraneous substance detection signal obtained from a position in a first chip into one of multi-valued levels. A judging circuit determines the existence or absence of an extraneous substance by comparing a signal indicative of one of the multi-valued levels with another signal indicative of a converted level obtained by converting a detection signal detected at a similar position in another chip adjacent to the first chip.
摘要翻译: 一种外来物质检查装置包括:电平转换电路,用于将从第一芯片中的位置获得的外来物质检测信号的电平转换为多值电平。 判断电路通过将指示多值电平之一的信号与表示通过转换在与其相邻的另一芯片中的相似位置处检测到的检测信号而获得的转换电平的另一信号进行比较来确定外来物质的存在或不存在 第一芯片
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公开(公告)号:US20070146697A1
公开(公告)日:2007-06-28
申请号:US11681996
申请日:2007-03-05
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: G01N21/88
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 apparatus includes an illumination optical unit for obliquely illuminating an object with a slit-like shaped laser, a first detection optical unit for detecting a first image formed by light reflected from the object by the illumination of the slit-like shaped laser and reflected in a first direction substantially normal to a surface of the object, a second detection optical unit for detecting a second image formed by light reflected from the object by the illumination of the slit-like shaped laser and reflected in a second direction inclined to the normal direction to the surface of the object, an image signal processing unit which processes a signal outputted from the first detection optical unit and a signal outputted from the second detection optical unit, and an output unit which outputs information processed by the image signal processing unit.
摘要翻译: 缺陷检查装置包括:用狭缝状激光器对物体进行倾斜照明的照明光学单元;第一检测光学单元,用于检测由所述狭缝状激光的照射而从物体反射的光形成的第一图像;以及 反射在基本上垂直于物体的表面的第一方向上;第二检测光学单元,用于检测由通过照射狭缝状激光而从物体反射的光形成的第二图像,并以与第二方向倾斜的第二方向反射 对象物的表面的正常方向,处理从第一检测光学单元输出的信号的图像信号处理单元和从第二检测光学单元输出的信号,以及输出单元,其输出由图像信号处理单元处理的信息 。
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