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Science 20 November 1959:
Vol. 130. no. 3386, pp. 1406 - 1407
DOI: 10.1126/science.130.3386.1406
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Articles

Molecular Pumping

J. W. BEAMS 1

1 Department of Physics, University of Virginia, Charlottesville

A method is described for producing high vacua. A magnetically suspended molecular pumping rotor is operated inside a sealed glass vacuum system. The system is free of lubricants and can be baked out. The system gives promise of producing pressures below those previously used.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)