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KISE Journal of Korean Institute of Surface Engineering 2015;48(4):179-184. Published online: Nov, 30, -0001
DOI : 10.5695/JKISE.2015.48.4.179
Quadrupole Mass Spectrometers (QMS) is a very useful tool in vacuum process diagnosis. Tungsten filament based ion sources are vulnerable to contamination from process gas monitoring. Common symptoms of quadrupole mass spectrometer malfunction is appearan
키워드 QMS;ion source;filament;cleaning;CFD-ACE+;