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A simple and versatile liquid nitrogen cooled cryostat on a differentially pumped rotary feedthrough

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1 Author(s)
George, S.M. ; Department of Chemistry, Stanford University, Stanford, California 94305

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We report here a simple and improved design which extends the versatility of a liquid nitrogen cryostat on a differentially pumped rotary feedthroug h. The novel modifications are: 1) the cryostat is isolated from the inne r surface of the rotary feedthrough; 2) additional feedthrough ports are incorporated that are not in contact with the liquid nitrogen cryostat; 3) a liquid nitrogen reservoir is employed that is thermally isolated throug h the use of a vacuum jacket. (AIP)

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Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films  (Volume:4 ,  Issue: 5 )