Concentric tube vacuum chamber for high
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S.A. Hofstadler; E. Schmidt; Z. Guan; D.A. Laude Jr.
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Article
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1993
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Elsevier Science
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English
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A new differential pumping design for external source Fourier transform ion cyclotron resonance mass spectrometry is described. A network of concentric tubes of increasing diameter terminates at a series of conductance limits across which a pressure from atmosphere to low-10(-8) torr is achieved. Th