Portable GCMS system using getter pump

Details Portable GCMS system using getter pump Portable GCMS system using getter pump

1993-09-17

1995-06-20

Berman, Jack I.

Radiant energy

Ionic separation or analysis

With sample supply means

250289, H01J 4904, H01J 4924

Patent

active

054263000

ABSTRACT:
A gas analyzing system that includes a vacuum chamber containing a mass spectrometer and a sampling device for introducing a gas sample into the chamber. A sorption pump is operatively connected to the chamber which is capable of maintaining the chamber at a high vacuum. The pump includes a diffusion barrier that provides smooth pumping characteristics and repeatable short term system behavior when sample pulses are introduced into the system.

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