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    • 51. 发明专利
    • Method for analyzing sample
    • 分析样本的方法
    • JP2005283502A
    • 2005-10-13
    • JP2004101357
    • 2004-03-30
    • Horiba Ltd株式会社堀場製作所
    • NABATOVA-GABAIN NATALIAHIRAKAWA SEIICHIWASAI YOKO
    • G01B11/06G01J4/00G01J4/04G01N21/21G01N21/41H01L21/66
    • G01N21/211G01N2021/213
    • PROBLEM TO BE SOLVED: To enable a sample which has a dielectric film whose dielectric constant is not less than 50 on the basis of an electrical measurement, to be analyzed over the entire optical range, based on a measurement result of an ellipsometer.
      SOLUTION: The sample, wherein on a substrate the dielectric film is formed, whose dielectric constant is not less than 50 on the basis of the electrical measurement, is measured by the ellipsometer, and a model according to the sample is created, based on an effective medium approximation (EMA). In the model, a film corresponding to the dielectric film is formed so as to have the void ratio in the range of 60% to 90%. A value, calculated from the model, is compared to a value measured by the ellipsometer, and a fitting process is carried out so that the difference between both values becomes small, thereby specifying the film thickness and the optical constants of the sample.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了使基于电测量的介电常数不小于50的电介质膜的样品在整个光学范围内基于椭偏仪的测量结果进行分析 。

      解决方案:通过椭偏仪测量其中在基板上形成电介质膜的介电常数不小于50的电介质膜的样品,并且根据样品产生模型, 基于有效介质近似(EMA)。 在该模型中,形成与电介质膜相对应的膜,以使空隙率在60%〜90%的范围内。 将从模型计算的值与由椭圆偏振仪测量的值进行比较,并且进行拟合处理,使得两个值之间的差变小,从而指定样品的膜厚度和光学常数。 版权所有(C)2006,JPO&NCIPI

    • 52. 发明专利
    • Measuring method, analysis method, measuring device, analysis device, ellipsometer, and computer program
    • 测量方法,分析方法,测量装置,分析装置,ELLIPSOMETER和计算机程序
    • JP2005257475A
    • 2005-09-22
    • JP2004069655
    • 2004-03-11
    • Horiba Ltd株式会社堀場製作所
    • NABATOVA-GABAIN NATALIAWASAI YOKO
    • G01B11/02G01B11/06G01J3/02G01J3/447G01J4/00G01N21/00G01N21/17G01N21/21G01N21/41G01N21/47G01N21/65
    • G01N21/211G01B11/0641G01J3/28G01N2021/213
    • PROBLEM TO BE SOLVED: To reconcile a time required for analysis with analysis accuracy in a well-balanced state. SOLUTION: In this ellipsometer 1, measurement is performed relative to some point on a sample S by a first spectroscope 8 and a second spectroscope 9. Analysis is performed by using a measurement result from the first spectroscope 8 and analysis is also performed by using a measurement result from the second spectroscope 9, and an approximate expression for approximating an analysis result relative to the second spectroscope 9 to an analysis result relative to the first spectroscope 8 is calculated. Measurement is performed relative to residual points on the sample S by the second spectroscope 9, and an analysis result acquired by using the result is corrected on the basis of the approximate expression. Since the second spectroscope 9 has a shorter measuring time, through having lower measurement accuracy, compared with the first spectroscope 8, the total measuring time becomes short, and since the analysis result relative to the second spectroscope 9 is corrected, the analysis accuracy is improved. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:在均衡状态下,将分析所需的时间与分析精度相协调。 解决方案:在该椭偏仪1中,通过第一分光器8和第二分光镜9对样品S上的某点进行测量。通过使用来自第一分光器8的测量结果进行分析,并且还执行分析 通过使用来自第二分光器9的测量结果,并且计算用于将相对于第二分光器9的分析结果近似的近似表达式相对于第一分析器8的分析结果。 通过第二分光镜9对样品S上的残留点进行测量,并且基于近似表达式校正通过使用结果获得的分析结果。 由于第二分光计9具有较短的测量时间,通过具有较低的测量精度,与第一分光器8相比,总测量时间变短,并且由于相对于第二分光镜9的分析结果被校正,因此提高了分析精度 。 版权所有(C)2005,JPO&NCIPI