Reports

Molecular Pumping

Science  20 Nov 1959:
Vol. 130, Issue 3386, pp. 1406-1407
DOI: 10.1126/science.130.3386.1406

Abstract

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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