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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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The researchers imaged the spiders' feet with a scanning electron microscope and found silk-producing spigots nestled among the hairs. Tokyo, Japan, Apr 8, 2006 - (JCN) - The National Institute of Advanced Industrial Science and Technology (AIST) and Toyama University have jointly developed a nano-mechanical fabrication system working in a scanning electron microscope (SEM), and succeeded in real-time imaging of the nano-scale cutting process for a single crystal of silicon. Subsequently, the cells on the coverslips were sputter coated with gold (thickness of 10 nm) and viewed under the XL30 Field Emission Gun scanning electron microscope (FEI Company, Enidhoven, the Netherlands) at 10 kV. |
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