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    • 6. 发明授权
    • Long working distance incoherent interference microscope
    • 长工作距离非相干干涉显微镜
    • US07034271B1
    • 2006-04-25
    • US10857115
    • 2004-05-27
    • Michael B. SinclairMaarten P. De Boer
    • Michael B. SinclairMaarten P. De Boer
    • G02B27/40G02B27/64G02B7/04
    • G02B21/0016G02B21/18
    • A full-field imaging, long working distance, incoherent interference microscope suitable for three-dimensional imaging and metrology of MEMS devices and test structures on a standard microelectronics probe station. A long working distance greater than 10 mm allows standard probes or probe cards to be used. This enables nanometer-scale 3-dimensional height profiles of MEMS test structures to be acquired across an entire wafer while being actively probed, and, optionally, through a transparent window. An optically identical pair of sample and reference arm objectives is not required, which reduces the overall system cost, and also the cost and time required to change sample magnifications. Using a LED source, high magnification (e.g., 50×) can be obtained having excellent image quality, straight fringes, and high fringe contrast.
    • 全场成像,长工作距离,非相干干涉显微镜适用于标准微电子探针台上的MEMS器件和测试结构的三维成像和计量。 长度大于10 mm的工作距离允许使用标准探头或探针卡。 这使得能够在被积极探测的情况下以及可选地通过透明窗口的整个晶片上获取MEMS测试结构的纳米尺度的三维高度分布。 不需要光学上相同的一对样品和参考臂物镜,这降低了整体系统成本,以及改变样品放大率所需的成本和时间。 使用LED源,可以获得具有优异的图像质量,直条纹和高边缘对比度的高放大率(例如,50倍)。
    • 9. 发明授权
    • Optical apparatus for forming correlation spectrometers and optical
processors
    • 用于形成相关光谱仪和光学处理器的光学装置
    • US5905571A
    • 1999-05-18
    • US522202
    • 1995-08-30
    • Michael A. ButlerAntonio J. RiccoMichael B. SinclairStephen D. Senturia
    • Michael A. ButlerAntonio J. RiccoMichael B. SinclairStephen D. Senturia
    • G01J3/18G01J3/457G02B26/08G06E3/00G01J3/28
    • G06E3/005G01J3/18G01J3/457G02B26/0808
    • Optical apparatus for forming correlation spectrometers and optical processors. The optical apparatus comprises one or more diffractive optical elements formed on a substrate for receiving light from a source and processing the incident light. The optical apparatus includes an addressing element for alternately addressing each diffractive optical element thereof to produce for one unit of time a first correlation with the incident light, and to produce for a different unit of time a second correlation with the incident light that is different from the first correlation. In preferred embodiments of the invention, the optical apparatus is in the form of a correlation spectrometer; and in other embodiments, the apparatus is in the form of an optical processor. In some embodiments, the optical apparatus comprises a plurality of diffractive optical elements on a common substrate for forming first and second gratings that alternately intercept the incident light for different units of time. In other embodiments, the optical apparatus includes an electrically-programmable diffraction grating that may be alternately switched between a plurality of grating states thereof for processing the incident light. The optical apparatus may be formed, at least in part, by a micromachining process.
    • 用于形成相关光谱仪和光学处理器的光学装置。 光学装置包括形成在基板上的一个或多个衍射光学元件,用于接收来自光源的光并处理入射光。 光学装置包括用于交替地寻址其每个衍射光学元件的寻址元件,以产生与入射光的第一相关的一个单位时间,并且产生与不同于入射光的入射光的第二相关性。 第一相关。 在本发明的优选实施例中,光学装置是相关光谱仪的形式; 并且在其他实施例中,该装置是光学处理器的形式。 在一些实施例中,光学装置包括在公共基板上的多个衍射光学元件,用于形成用于不同单位时间交替地截取入射光的第一和第二光栅。 在其他实施例中,光学装置包括电可编程衍射光栅,其可以在其多个光栅状态之间交替地切换以处理入射光。 光学装置可以至少部分地通过微加工工艺形成。