N.sup.th order delayed extraction

Details N.sup.th order delayed extraction N.sup.th order delayed extraction

1996-05-10

1999-01-19

Anderson, Bruce

Radiant energy

Ionic separation or analysis

Ion beam pulsing means with detector synchronizing means

250282, B01D 5944, H01J 4900

Patent

active

058616233

ABSTRACT:
An N.sup.th order delayed extraction apparatus and method for use in a time-of-flight mass spectrometer is disclosed. A non-linear electric field, produced by specially formed electrodes, is used to accelerate ions, improve flight time focusing and thereby increase mass resolution.

REFERENCES:
patent: 5117107 (1992-05-01), Guilhaus et al.
patent: 5160840 (1992-11-01), Vestal
patent: 5382793 (1995-01-01), Weinberger et al.
patent: 5510613 (1996-04-01), Reilly et al.

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