Device uses lighter, easily alined, magnet assembly to provide field required to interact with ion beam. It has no separate duct; instead, evacuated duct is formed by pole pieces which support vacuum pump. Magnetic gap and magnet assembly are reduced from 4.64 to 2.54 mm and from 2.4 to 1.5 kg, respectively.
Double-focusing mass spectrometer
NASA Tech Briefs ; 1 , 2
1976-08-01
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Englisch