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    • 32. 发明申请
    • Process and assmebly for non-destructive surface inspection
    • 非破坏性表面检查的过程和方法
    • US20050179891A1
    • 2005-08-18
    • US11034422
    • 2005-01-11
    • Gilad AlmogyRon NaftaliAvishay GuettaDoron Shoham
    • Gilad AlmogyRon NaftaliAvishay GuettaDoron Shoham
    • G01N21/95G01N21/00
    • G01N21/956G01N21/9501
    • An optical system for detecting defects on a wafer that includes a device for producing a beam and directing the beam onto the wafer surface, producing an illuminated spot on the wafer's surface. The system further includes a detector detecting light, and a mirrored assembly having together with the detector an axis of symmetry about a line perpendicular to the wafer surface. The assembly is configured to receive scattered light from the surface, where the scattered light including a first scattered light part being scattered from the pattern. The assembly is further configured to reflect and focus rotationally symmetrically about the axis of symmetry the scattered light to the detector. The system further includes a device operating with the detector for facilitating detection of a scattered light other than the specified scattered light due to pattern.
    • 一种用于检测晶片上的缺陷的光学系统,其包括用于产生光束并将光束引导到晶片表面上的装置,在晶片的表面上产生照明光斑。 该系统还包括检测光的检测器和与检测器一起围绕垂直于晶片表面的线的对称轴的镜像组件。 所述组件被配置为从所述表面接收散射光,其中所述散射光包括从所述图案散射的第一散射光部分。 组件还被配置为将散射光的对称轴围绕旋转对称地反射并聚焦到检测器。 该系统还包括利用检测器操作的装置,用于便于检测由于图案而导致的特定散射光之外的散射光。
    • 33. 发明授权
    • Defect detection with enhanced dynamic range
    • 缺陷检测具有增强的动态范围
    • US06657714B2
    • 2003-12-02
    • US10050889
    • 2002-01-15
    • Gilad AlmogyBoris GoldbergRon Naftali
    • Gilad AlmogyBoris GoldbergRon Naftali
    • G01N2100
    • G01N21/9501
    • Apparatus for optical inspection includes a source of optical radiation, which is adapted to scan a spot of the radiation over a sample, whereby the radiation is scattered from the spot. A detection system includes at least first and second detectors optically coupled to receive the scattered radiation and to generate respective first and second outputs responsive thereto, the detection system being configured so that the first detector detects variations in the scattered radiation with a greater sensitivity than the second detector, while the second detector saturates at a higher intensity of the scattered radiation than does the first detector. A signal processor is coupled to receive the first and second outputs and to determine, responsive to the outputs, locations of defects on the sample.
    • 用于光学检查的装置包括光辐射源,其适于扫描样品上的辐射点,由此辐射从该点散射。 检测系统包括至少第一和第二检测器,其被光学耦合以接收散射的辐射并且响应于此产生相应的第一和第二输出,所述检测系统被配置为使得第一检测器以更高的灵敏度检测散射辐射的变化, 第二检测器,而第二检测器以比第一检测器更高的散射辐射强度饱和。 信号处理器被耦合以接收第一和第二输出并且响应于输出来确定样本上缺陷的位置。
    • 35. 发明授权
    • Cascaded image intensifier
    • 级联图像增强器
    • US07498557B2
    • 2009-03-03
    • US11516667
    • 2006-09-07
    • Iddo PinkasTal KuznizAvishay GuettaHelmut BanzhoffRon Naftali
    • Iddo PinkasTal KuznizAvishay GuettaHelmut BanzhoffRon Naftali
    • H01J40/14H01J43/00
    • H01J31/508
    • A cascaded image intensifier device is presented. In one embodiment the device comprises: at least two sections in cascade, each of a first section and a last section out of the at least two sections including a photocathode unit adapted to convert photons to electrons and a screen unit adapted to convert electrons to photons; wherein the first section includes a reducing element adapted to: (i) reduce ion-caused degradation of a photocathode unit of the first section, and (ii) reduce a number of photons exiting from the first section from a first value to a second value; and wherein the last section outputs a number of photons that equals or exceeds the first value. Also disclosed are methods and systems using the disclosed cascaded image intensifier device.
    • 提出了一种级联图像增强器件。 在一个实施例中,该装置包括:级联的至少两个部分,至少两个部分中的第一部分和最后部分中的每个部分,包括适于将光子转换成电子的光电阴极单元和适于将电子转换成光子的屏幕单元 ; 其中所述第一部分包括还原元件,所述还原元件适于:(i)减少所述第一部分的光电阴极单元的离子引起的退化,以及(ii)将从所述第一部分退出的光子数量从第一值减少到第二值 ; 并且其中最后部分输出等于或超过第一值的多个光子。 还公开了使用所公开的级联图像增强器装置的方法和系统。
    • 38. 发明授权
    • Method and system for detecting defects
    • 检测缺陷的方法和系统
    • US07268343B2
    • 2007-09-11
    • US11066879
    • 2005-02-25
    • Boris GoldbergRon Naftali
    • Boris GoldbergRon Naftali
    • G01J1/04G02B6/00G02B6/12
    • G03F7/7065G01N21/9501G01N21/95623G02B21/0016G02B21/002G02B27/58H01L21/67288
    • System for scanning a surface, including a light source producing an illuminating light beam; an objective lens assembly, located between the light source and the surface; at least one light detector; an apodizator located between the light source and the objective lens assembly; and a relay lens assembly located between the apodizator and the objective lens assembly, wherein the light source produces an image of the illuminating light beam on the apodizator, the apodizator blocks at least a portion of the illuminating light beam, the relay lens assembly images the blocked illuminating light beam at an entrance pupil of the objective lens assembly, and wherein at least one of said at least one light detector, detects light reflected from said surface.
    • 用于扫描表面的系统,包括产生照明光束的光源; 位于光源和表面之间的物镜组件; 至少一个光检测器; 位于光源和物镜组件之间的遮光器; 以及位于所述脱模器和所述物镜组件之间的中继透镜组件,其中所述光源在所述脱模器上产生所述照明光束的图像,所述遮蔽器阻挡所述照明光束的至少一部分,所述中继透镜组件将所述中继透镜组件 在所述物镜组件的入射光瞳处阻挡照明光束,并且其中所述至少一个光检测器中的至少一个检测从所述表面反射的光。