Sector mass spectrometer

（重定向自Bainbridge mass spectrometer）

Electric sector from a Finnigan MAT mass spectrometer (vacuum chamber housing removed)

A sector instrument is a general term for a class of mass spectrometer that uses a static electric or magnetic sector or some combination of the two (separately in space) as a mass analyzer. A popular combination of these sectors has been the BEB (magnetic-electric-magnetic). Most modern sector instruments are double-focusing instruments (first developed by A. Dempster, K. Bainbridge and J. Mattauch in 1936) in that they focus the ion beams both in direction and velocity.

单词	Bainbridge mass spectrometer
释义	Bainbridge mass spectrometer 英语百科 Sector mass spectrometer （重定向自Bainbridge mass spectrometer） A sector instrument is a general term for a class of mass spectrometer that uses a static electric or magnetic sector or some combination of the two (separately in space) as a mass analyzer. A popular combination of these sectors has been the BEB (magnetic-electric-magnetic). Most modern sector instruments are double-focusing instruments (first developed by A. Dempster, K. Bainbridge and J. Mattauch in 1936) in that they focus the ion beams both in direction and velocity.
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