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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
    the CNTs from the soot and the residual catalytic metals present in the crude product. This method creates CNTs through arc-vaporization of two carbon rods placed end to end, separated by approximately 1mm, in an enclosure that is usually filled with inert gas (helium, argon) at low pressure (between 50
  • Medical Device Link .
    the location of thin channel leaks. It features retrievable validation data and a graphic display. 143 California St., Newton, MA 02458. Featuring an oil-free diaphragm and molecular drag pump, a portable helium leak detector works in cleanrooms, pharmaceutical manufacturing facilities, and other

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