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Fast Scan Rate Instrument

 

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Surface profilometers are contact or non-contact instruments used to measures surface profiles, roughness, waviness and other finish parameters.
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  • Fluctuating scan rates no problem for chip imager
    Rosenberg, director of engineering at the Beam Control Group of FEI Co., the Hillsboro, Oreg., maker of DualBeam machines. The machine's image acquisition must also reliably handle scan (pixel) rates which fluctuate from slow (100m sec) to fast (100 nsec) within each application. This happens
  • Object Discrimination and Optical Performance Of a Real-Time 2-5 µm Hyperspectral Imager
    system, with a prismatic. dispersion element, passive athermalization, and a compact dewar (see Figure 2). The slit-based system. produces an image in one direction and spectral bands in the direction orthogonal to the slit. A scan mirror. translates the image across the slit to provide a full frame
  • High Accuracy Temperature Measurement
    . incorporate a high-precision CJC mechanism, significant. Furthermore, because this is a global setting, all channels. thermal mass, careful placement of parts that generate. in the system must scan at the reduced rate, even if only. internal temperature gradients, and self-calibration. one channel requires
  • MICRO: Failure Analysis
    . The image is formed by mapping some signal intensity synchronously with the scan. As in TEM, image information is extracted from electrons that are transmitted through a thin sample. STEM has many of the advantages of SEM: TV rate imaging, very-low-magnification (wide-field) imaging, and easy electronic
  • Product Technology News
    levels in parts per million or parts per billion. An on-board data logger automatically stores results. The instrument can operate in a quick-scan mode for screening total VOC content in ambient air or in a point-and-press mode for collecting data on preselected compounds. Cassette Tester Sun West
  • MICRO:Product Technology News (Oct. '98, p.110)
    fluoride elements for partial achromatization. To achieve 150-nm resolution, the step-and-scan system has an argon fluoride laser source as well as a Zeiss Aerial II illuminator with high-transmission calcium fluoride and aspherical optical elements. The 193-nm wide-field system is suitable
  • Examining purification and certification strategies for high-purity C 2 F 6 process gas
    5900 UHP (Ametek, Feasterville, PA) was used for the oscillating crystal technology method because of its fast response time to changes in the moisture level and its low limits of detection.1 The 5900 UHP has been found to have a much faster response time (15 minutes to reach 95% of the change
  • MICRO: Product Tech News
    . The tool can be supplied as a turnkey unit or as an OEM measurement probe for existing equipment or in-process applications. It features a flexible extended scan range from 50 to 2000 um with resolutions from 0.03 to 1.0 um. Range and resolution can be altered by exchanging a standard microscope

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