Valved molecular beam skimmer

Marceca, Ernesto; Becker, Jorg A.; Hensel, Friedrich
August 1997
Review of Scientific Instruments;Aug1997, Vol. 68 Issue 8, p3258
Academic Journal
Presents the design of a vacuum-tight valve which allows the aperture of the molecular beam skimmer to be closed by plugging a needle directly against its conical wall. Valve operation; Better measurement of helium conductance.


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