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热词
    • 2. 发明授权
    • System for measuring a topographical feature on a specimen
    • 用于测量样本上的地形特征的系统
    • US4941980A
    • 1990-07-17
    • US312619
    • 1989-02-17
    • Uriel HalaveeIsrael NivTzila Schwarzkopf
    • Uriel HalaveeIsrael NivTzila Schwarzkopf
    • H01J37/28
    • H01J37/28
    • A system for measuring a topographical feature on a specimen including apparatus for scanning an electron beam across the feature at high speed, first and second electron detector apparatus organized in pairs, apparatus for signal processing of a first signal received from the first electron detector apparatus thereby to identify elements of a cross-sectional profile of the feature, apparatus for signal processing of a second signal received from the second electron detector apparatus generally separately from the signal processing of the first signal thereby to identify elements of a cross-sectional profile of the feature, and apparatus for incorporating the elements identified from the first electron detector apparatus and the elements identified from the second electron detector apparatus thereby to produce a composite picture of the feature.
    • 一种用于测量样本上的形貌特征的系统,包括用于扫描高速特征的电子束的装置,成对组织的第一和第二电子检测器装置,用于信号处理从第一电子检测器装置接收的第一信号的装置 以识别特征的横截面轮廓的元件,用于信号处理从第二电子检测器装置接收的第二信号的装置,大体上与第一信号的信号处理分开,从而识别出第一信号的横截面轮廓的元件 特征和装置,用于结合从第一电子检测器装置识别的元件和从第二电子检测器装置识别的元件,从而产生该特征的复合图像。
    • 4. 发明授权
    • System and method for calibration of testing equipment using device photoemission
    • 使用装置光电发射校准测试设备的系统和方法
    • US06956365B2
    • 2005-10-18
    • US10408988
    • 2003-04-08
    • Israel NivSteven Kasapi
    • Israel NivSteven Kasapi
    • G01R31/311G01R31/319G01R31/3193G01R35/00G01R35/04
    • G01R31/3191G01R31/311G01R31/31937G01R35/005
    • A system and method for calibration of a commercial semiconductor test system (tester). The system receives a synchronization signal from the tester and detects light emission from a device under test (DUT). The system then compares the timing and characteristics of the light emission to the synchronization signal to obtain a delay timing and signal change caused by intermediate elements of the tester. The delay timing and signal change are used to calibrate the various channels of the tester. Also described are various designs for DUT's to obtained enhanced accuracy of the delay timing. Further, a system and method are described for reconstruction of a test signal and study of the effects of intermediate elements of the tester on the shape of the test signal.
    • 用于商业半导体测试系统(测试仪)的校准的系统和方法。 系统从测试仪接收同步信号,并检测被测设备(DUT)的发光。 然后,该系统将发光的时序和特性与同步信号进行比较,以获得由测试仪的中间元件引起的延迟定时和信号变化。 延时定时和信号变化用于校准测试仪的各种通道。 还描述了DUT的各种设计,以获得延迟定时的增强的精度。 此外,描述了用于重建测试信号并研究测试仪的中间元件对测试信号的形状的影响的系统和方法。