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    • 41. 发明申请
    • Optical alignment of X-ray microanalyzers
    • X射线微量分析仪的光学校准
    • US20050069090A1
    • 2005-03-31
    • US10673996
    • 2003-09-29
    • Tzachi RafaeliIsaac Mazor
    • Tzachi RafaeliIsaac Mazor
    • G01N23/223A61B6/08G01N23/22
    • G01N23/22
    • A method for X-ray analysis of a sample includes aligning an optical radiation source with an X-ray excitation source, so that a spot on the sample that is irradiated by an X-ray beam generated by the X-ray excitation source is illuminated with optical radiation generated by the optical radiation source. Optical radiation that is reflected from the sample is used to generate a first signal, which is indicative of an alignment of the spot on the sample. The X-ray beam is aligned, responsively to the first signal, so that the spot coincides with a target area of the sample. X-ray photons received from the spot on the sample, after aligning the X-ray beam, are used in generating a second signal that is indicative of a characteristic of the target area.
    • 用于样品的X射线分析的方法包括使光辐射源与X射线激发源对准,使得由X射线激发源产生的X射线束照射的样品上的斑点被照亮 具有由光辐射源产生的光辐射。 从样品反射的光辐射用于产生第一信号,其表示样品上的斑点的对准。 响应于第一信号将X射线束对准,使得斑点与样品的目标区域重合。 在对准X射线束之后从样品上的点接收的X射线光子用于产生指示目标区域的特征的第二信号。
    • 44. 发明授权
    • Control of X-ray beam spot size
    • 控制X射线束斑大小
    • US07453985B2
    • 2008-11-18
    • US11822231
    • 2007-07-03
    • Isaac MazorDavid Berman
    • Isaac MazorDavid Berman
    • G01N23/201
    • G01N23/20
    • A method for analysis of a sample includes directing a beam of radiation to impinge on a target area on a surface of the sample along a beam axis at a plurality of different elevation angles. For each of the different angles, a respective offset of the beam in a direction transverse to the beam axis is determined. While sensing the radiation scattered from the sample at each of the different elevation angles in succession, a transverse correction is applied to at least one of the beam and the sample in order to compensate for the respective offset at each of the different elevation angles.
    • 用于分析样品的方法包括以多个不同的仰角沿着光束轴引导辐射束照射在样品的表面上的目标区域上。 对于每个不同的角度,确定在横向于光束轴线的方向上的光束的相应偏移。 在连续地感测在每个不同仰角处从样品散射的辐射的同时,对波束和样本中的至少一个施加横向校正,以补偿每个不同仰角处的相应偏移。
    • 45. 发明授权
    • Process for measuring overlay misregistration during semiconductor wafer
fabrication
    • 半导体晶片制造过程中测量重叠重合的过程
    • US5438413A
    • 1995-08-01
    • US25435
    • 1993-03-03
    • Isaac MazorNoam KnollYoram Uziel
    • Isaac MazorNoam KnollYoram Uziel
    • G01B11/00G03F7/20H01L21/027G01B9/02
    • G03F7/70633
    • A process for measuring overlay misregistration during semiconductor wafer fabrication including the use of an interferometric microscope in combination with a camera, a wafer transport stage, and data processing electronics to form an inspection system which can utilize either broadband or narrowband light, and large or small numerical aperture (NA) to develop a series of interference images taken at different Z (vertical) planes relative to the surface under investigation or P (pathlength) positions relative to interferometer arm difference. The data in these planes is then used to calculate the magnitude and phase of the mutual coherence between the object wave and the reference wave for each pixel in the image planes, and synthetic images are formed, the brightness of which is proportional to either the complex magnitude (the Magnitude Contrast Image or MCI) or the phase of the mutual coherence as the optical pathlength (the Phase Contrast Image or PCI) is varied. The difference between synthetic images relating to target attribute position and bullet attribute position are then used as a means of detecting misregistration between the processing layer including the bullet attribute and the processing layer including the target attribute.
    • 一种用于测量半导体晶片制造期间的重叠配准的方法,包括使用干涉式显微镜与照相机,晶片传送台和数据处理电子装置组合,形成可利用宽带或窄带光以及大或小的光检测系统 数值孔径(NA)以相对于正在研究的表面或相对于干涉仪臂差的P(路径长度)位置在不同的Z(垂直)平面处拍摄的一系列干涉图像。 然后使用这些平面中的数据来计算像平面中每个像素的对象波和参考波之间的相互相干的幅度和相位,并且形成合成图像,其亮度与复合物 幅度(大小对比度图像或MCI)或作为光程长度(相位对比图像或PCI)的相互相干的相位发生变化。 然后,将与目标属性位置和子弹属性位置相关的合成图像之间的差异用作检测包括子弹属性的处理层和包括目标属性的处理层之间的重合失调的手段。
    • 50. 发明授权
    • Optical alignment of X-ray microanalyzers
    • X射线微量分析仪的光学校准
    • US07023954B2
    • 2006-04-04
    • US10673996
    • 2003-09-29
    • Tzachi RafaeliIsaac Mazor
    • Tzachi RafaeliIsaac Mazor
    • G01N23/223
    • G01N23/22
    • A method for X-ray analysis of a sample includes aligning an optical radiation source with an X-ray excitation source, so that a spot on the sample that is irradiated by an X-ray beam generated by the X-ray excitation source is illuminated with optical radiation generated by the optical radiation source. Optical radiation that is reflected from the sample is used to generate a first signal, which is indicative of an alignment of the spot on the sample. The X-ray beam is aligned, responsively to the first signal, so that the spot coincides with a target area of the sample. X-ray photons received from the spot on the sample, after aligning the X-ray beam, are used in generating a second signal that is indicative of a characteristic of the target area.
    • 用于样品的X射线分析的方法包括使光辐射源与X射线激发源对准,使得由X射线激发源产生的X射线束照射的样品上的斑点被照亮 具有由光辐射源产生的光辐射。 从样品反射的光辐射用于产生第一信号,其表示样品上的斑点的对准。 响应于第一信号将X射线束对准,使得斑点与样品的目标区域重合。 在对准X射线束之后从样品上的点接收的X射线光子用于产生指示目标区域的特征的第二信号。