Apparatus for determining the concentration of a gas in a vacuum

Apparatus for quantitative secondary ion mass spectrometry

Configuration of an atmospheric pressure ion source

Device having field emission type cold cathode and vacuum tank e

Differentially pumped ion trap mass spectrometer

Explosive detection system

Gas leakage detection apparatus

Highly sensitive vacuum ion pump current measurement system

Inductively coupled plasma mass spectrometer and method

Inlet system for a mass spectrometer

Ion funnel with improved ion screening

Ionic liquid membrane for air-to-vacuum sealing and ion...

Isotopic-ratio plasma source mass spectrometer

Mass spectrometer

Mass spectrometer vacuum housing and pumping system

Mass spectrometer with magnetic pole pieces providing the magnet

Mass spectrometry and mass spectrometer

Mass spectrometry with segmented RF multiple ion guides in...

Method and system for vacuum driven differential mobility...

Micro-miniature diaphragm pump for the low pressure pumping of g