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scanning electron microscope |
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scanning electron microscope [′skan·iŋ i′lek‚trän ′mī·krə‚skōp] (electronics) A type of electron microscope in which a beam of electrons, a few hundred angstroms in diameter, systematically sweeps over the specimen; the intensity of secondary electrons generated at the point of impact of the beam on the specimen is measured, and the resulting signal is fed into a cathode-ray-tube display which is scanned in synchronism with the scanning of the specimen. Abbreviated SEM. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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IPST at Georgia Tech is currently building a "nanocenter" that will include 3 scanning electron microscopes (SEMs). The final report for a one-year project to apply a model-based library (MBL) method to measurements performed with critical dimension scanning electron microscopes (CD-SEMs) has been submitted to International SEMATECH. 5 million, including an X-ray diffractometer, X-ray fluorescence spectrometer, three scanning electron microscopes, and a molecular-scale milling machine. |
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