Post-acceleration detector for mass spectrometer

Details Post-acceleration detector for mass spectrometer Post-acceleration detector for mass spectrometer

1990-01-03

1990-11-20

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

250256, 313105R, H01J 4900

Patent

active

049720830

ABSTRACT:
A post-acceleration detector for a mass spectrometer comprises a conversion electrode bombarded by an ion beam thereby emitting charged particles having a polarity opposite to that of the ion beam, a charged particle detector amplifying and detecting the charged particles, and a mechanism for moving the conversion electrode relative to the charged particle detector according to the energy of the ion beam.

REFERENCES:
patent: 3898456 (1975-08-01), Dietz
patent: 3986024 (1976-10-01), Radermachec
patent: 4171482 (1979-10-01), Vastel
patent: 4267448 (1981-05-01), Feser et al.
patent: 4766312 (1988-08-01), Fergusson
patent: 4810882 (1989-03-01), Bateman
patent: 4835383 (1989-05-01), Mahoney
"Mass Spectrometry in Science And Tech." Edited by F. A. White, Published by John Wiley & Sons, Inc. pp. 101-109, 1968.

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