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MASS SPECTROMETERS

Photonics Spectra
Nov 2005
Pfeiffer-Vacuum.jpgAvailable from Pfeiffer Vacuum Inc. is the 116-page catalog titled “Mass Spectrometer 05 06 07,” which details instruments such as end-point detectors, ion beam analysis systems, sputter and plasma process monitors, the Prisma residual gas analyzer, the OmniStar for general gas analysis and the ThermoStar for connection to a thermobalance. The publication covers mass spectrometry fundamentals, including how the systems work; mass filter theory; and ion source design. It describes measurements of externally generated ions, such as plasma diagnostics and secondary ion mass spectrometer applications. Pumping options are depicted along with various inlet arrangements that cover a range of applications.



GLOSSARY
mass spectrometer
A device used to measure the masses and relative concentrations of atoms and molecules. It utilizes the Lorentz force generated by external magnetic field on a moving charged particle, in which the particles are deflected by the magnetic field according to their masses. Once deflected, the particles are detected and recorded electrically to provide a mass spectrum of the input beam of ions. 
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