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  • MICRO: Eigler Interview
    affair. My tour coincided with an experiment that he and his colleagues were performing using one of the two liquid-helium-temperature scanning tunneling microscopes (STMs) that populate their tight quarters. Under high vacuum, the microscopes are cooled to very low temperatures with liquid helium
  • Monitoring residual and process gases in PVD processes: The importance of sensitivity How much quadrupole mass analyzer sensitivity should be required for meaningful monitoring of residual gas levels in sputter deposition processes?
    of dedicated test wafers. However, it has been found that these tests are not sensitive enough to detect films with marginal electromigration resistance. Resistivity ratio measurements (at room temperature and at liquid nitrogen or liquid helium temperature) are more sensitive but time consuming
  • Wired 12.04: The God Particle and the Grid
    detector, part of the Large Hadron Collider now under construction at CERN, the famed European particle physics lab outside Geneva. When the LHC is finished in 2007, it will be the largest accelerator in the world. Massive superconducting magnets cooled to near absolute zero by liquid helium
  • Arc Method of CNT Synthesis
    and 700 mbar). Recent investigations have shown that it is also possible to create CNTs with the arc method in liquid nitrogen. A direct current of 50 to 100 A, driven by a potential difference of approximately 20 V, creates a high temperature discharge between the two electrodes.
  • Medical Device Link .
    rates that exceed 70 C per minute. The liquid-nitrogen-cooled chamber features high volume and adjustable air distribution to direct airflow rapidly over the product. Access to the internal chamber is provided through doors on the front and back of the unit. The vibration system uses a thermal

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