APPARATUS AND METHOD FOR INSPECTING DEFECTS
    91.
    发明申请
    APPARATUS AND METHOD FOR INSPECTING DEFECTS 审中-公开
    检查缺陷的装置和方法

    公开(公告)号:US20100265496A1

    公开(公告)日:2010-10-21

    申请号:US12827470

    申请日:2010-06-30

    IPC分类号: G01N21/00 G06K9/00

    摘要: A defect inspection apparatus includes a movable stage for mounting a substrate having circuit patterns as an object of inspection, an irradiation optical system which irradiates a slit-shaped light beam from an oblique direction to the circuit patterns of the substrate, a detection optical system which includes an image sensor for receiving reflected/scattered light from the substrate by irradiation of the slit-shaped light beam and converting the received light into a signal, and an image processor which processes the signal. The irradiation optical system includes a cylindrical lens and a coherency reduction optical system, which receives the light beam and emits a plurality of slit-shaped light sub-beams which are spatially reduced in coherency in a light-converging direction of the cylindrical lens. The cylindrical lens focuses the plurality of slit-shaped light sub-beams into the slit-shaped light beam irradiated to the surface of the substrate.

    摘要翻译: 缺陷检查装置包括:可移动台,用于安装具有作为检查对象的电路图案的基板;照射光学系统,其将来自倾斜方向的狭缝状光束照射到基板的电路图案;检测光学系统, 包括图像传感器,用于通过照射狭缝状光束并将接收到的光转换成信号来从基板接收反射/散射光,以及处理该信号的图像处理器。 照射光学系统包括柱面透镜和相干性降低光学系统,其接收光束并发射在柱面透镜的聚光方向上空间相减的多个狭缝状光子束。 柱面透镜将多个狭缝状光子束聚焦成照射到基板表面的狭缝状光束。

    Method for inspecting pattern defect and device for realizing the same
    93.
    发明授权
    Method for inspecting pattern defect and device for realizing the same 失效
    检查图案缺陷的方法及其实现方法

    公开(公告)号:US07465935B2

    公开(公告)日:2008-12-16

    申请号:US11325550

    申请日:2006-01-05

    IPC分类号: G01N21/00

    摘要: When using a CCD sensor as a photo-detector in a device for inspecting foreign matters and defects, it has a problem of causing electric noise while converting the signal charge, produced inside by photoelectric conversion, into voltage and reading it. Therefore, the weak detected signal obtained by detecting reflected and scattered light from small foreign matters and defects is buried in the electric noise, which has been an obstacle in detecting small foreign matters and defects. In order to solve the above problem, according to the present invention, an electron multiplying CCD sensor is used as a photo-detector. The electron multiplying CCD sensor is capable of enlarging signals brought about by inputted light relatively to the electric noise by multiplying the electrons produced through photoelectric conversion and reading them. Accordingly, compared to a conventional CCD sensor, it can detect weaker light and, therefore, smaller foreign matters and defects.

    摘要翻译: 当在用于检查异物和缺陷的装置中使用CCD传感器作为光检测器时,存在在将由光电转换产生的信号电荷转换成电压并读取的同时将电噪声引起的问题。 因此,通过检测来自小异物和缺陷的反射和散射光获得的弱检测信号被埋在电噪声中,这是检测小异物和缺陷的障碍。 为了解决上述问题,根据本发明,使用电子倍增CCD传感器作为光检测器。 电子倍增CCD传感器能够通过将通过光电转换产生的电子与其进行读取而相对于电噪声放大由输入光产生的信号。 因此,与常规CCD传感器相比,它可以检测较弱的光,因此可以检测较小的异物和缺陷。

    Method and apparatus for inspecting foreign particle defects
    97.
    发明申请
    Method and apparatus for inspecting foreign particle defects 有权
    用于检查外来颗粒缺陷的方法和装置

    公开(公告)号:US20060203231A1

    公开(公告)日:2006-09-14

    申请号:US11325548

    申请日:2006-01-05

    IPC分类号: G01N21/88

    摘要: The invention relates to a device production process for forming a circuit pattern on a substrate such as semiconductor device. To enable a stable inspection of a minute foreign particle and a pattern defect occurring in manufacture of a device at a high speed and with a high sensitivity, an object to be inspected on which a transparent film is formed, is irradiated with a beam which is emitted from an illuminator whose illumination direction and illumination angle are selected from a plurality of choices to be optimum, so that scattered reflected light from a minute foreign particle defect on the object or the transparent film is effectively detected by eliminating a noise from the pattern formed on the object, and a detection optical system is optimized by evaluating and adjusting, with an image forming performance checker, an image forming performance of the detection optical system included in an inspecting apparatus.

    摘要翻译: 本发明涉及用于在诸如半导体器件的衬底上形成电路图案的器件制造工艺。 为了能够在高速,高灵敏度的装置的制造中能够稳定地检查微小的外来粒子和图案缺陷,对要形成透明膜的检查对象进行照射, 从照明方向和照明角度从多个选择中选择为最佳的发光体发射,从而通过从形成的图案中消除噪声来有效地检测来自物体或透明膜上的微小异物缺陷的散射反射光 并且通过利用图像形成性能检查器评估和调整包括在检查装置中的检测光学系统的图像形成性能来优化检测光学系统。

    Semiconductor manufacturing methods, plasma processing methods and plasma processing apparatuses

    公开(公告)号:US06576559B2

    公开(公告)日:2003-06-10

    申请号:US10095066

    申请日:2002-03-12

    IPC分类号: H01L21302

    摘要: The present invention provides a semiconductor manufacturing method, a plasma processing method and a plasma processing apparatus for generating a plasma in a processing chamber and carrying out processing on material to be processed by using the plasma, comprising a floating-foreign-particle measuring apparatus including: a light radiating optical system for radiating a light having a desired wavelength and completing intensity modulation at a desired frequency to the processing chamber; a scattered-light detecting optical system for separating a component with the desired wavelength from scattered lights obtained from the processing chamber as a result of radiation of the light by the light radiating optical system, for optically receiving the component and for converting the component into a first signal; and a foreign-particle-signal extracting unit which separates a second signal representing foreign particle floating in the plasma or in an area in proximity to the plasma from a third signal obtained by emission of the plasma for detection of the second signal by extraction of a component with the desired frequency used for the intensity modulation from the first signal obtained from the scattered-light detecting optical system.

    Exposure apparatus with foreign particle detector
    99.
    发明授权
    Exposure apparatus with foreign particle detector 失效
    具有异物检测器的曝光装置

    公开(公告)号:US4676637A

    公开(公告)日:1987-06-30

    申请号:US790475

    申请日:1985-10-23

    摘要: A plurality of substrate assemblies each including a substrate such as a reticle or photomask used for exposure and frames, mounted to the opposite surfaces of the substrate, to which foreign particle deposition preventive films are applied are stored in a magazine. By using a transport unit, a substrate assembly is taken out of the magazine, transported from the magazine to a mask table disposed at an exposure position and set at the mask table. A foreign particle detector is provided near the transport unit to optically detect foreign particles present on the foreign particle deposition preventive film of the substrate assembly. The substrate assembly set at the mask table is aligned to a wafer. A light beam is irradiated on the substrate assembly aligned relative to the wafer and a circuit pattern formed on the substrate is projected upon the wafer through a projection optical system to expose the wafer to the light beam through the circuit pattern.

    摘要翻译: 多个基板组件,其各自包括安装到基板的相反表面上的诸如用于曝光的掩模版或光掩模的基板和施加有外来颗粒沉积预防膜的相对表面的基板组件。 通过使用传送单元,将基板组件从盒中取出,从盒传送到设置在曝光位置并设置在掩模台上的掩模台。 在输送单元附近设有异物检测器,以光学检测存在于基板组件的异物颗粒沉积防止膜上的异物。 设置在掩模台上的基板组件与晶片对准。 将光束照射在相对于晶片对准的基板组件上,并且通过投影光学系统将形成在基板上的电路图案投影到晶片上,以通过电路图案将晶片暴露于光束。

    Method and apparatus for reviewing defects
    100.
    发明授权
    Method and apparatus for reviewing defects 有权
    检查缺陷的方法和装置

    公开(公告)号:US08975582B2

    公开(公告)日:2015-03-10

    申请号:US13311734

    申请日:2011-12-06

    摘要: A method of inspecting defects of a sample on a movable table includes a first step for, on a basis of position information of the defects which is previously detected by an other inspection system, driving the table so that the defects come into a viewing field of an optical microscope having a focus which is adjusted, a second step for re-detecting the defects to obtain a first detection result, a third step for correcting the position information of defects on a basis of position information of the re-detected defects, and a fourth step for reviewing the defects whose position information is corrected to obtain a second detection result. At the second step, re-detecting is performed using reflection light or scattered light from the sample which passes an optical filter which includes a light shielding portion and a light transmitting portion.

    摘要翻译: 一种在可移动台上检查样本的缺陷的方法包括:第一步骤,用于基于先前由另一检查系统检测到的缺陷的位置信息来驱动该表,使得缺陷进入到 具有调整焦点的光学显微镜,用于重新检测缺陷以获得第一检测结果的第二步骤,基于重新检测到的缺陷的位置信息来校正缺陷的位置信息的第三步骤,以及 检查位置信息被校正以获得第二检测结果的缺陷的第四步骤。 在第二步骤中,使用来自通过包括遮光部分和透光部分的滤光器的样品的反射光或散射光进行再检测。