Radiant energy – Ionic separation or analysis – Cyclically varying ion selecting field means
Patent
1990-03-02
1991-10-08
Anderson, Bruce C.
Radiant energy
Ionic separation or analysis
Cyclically varying ion selecting field means
250292, H01J 4926
Patent
active
050556789
ABSTRACT:
A chromium or oxidized chromium surface for use in sample analyzing and ionizing apparatus, such as an ion trap or ionization chamber, which does not degrade or decompose a sample in contact with the surface.
REFERENCES:
patent: 4359661 (1982-11-01), Mitrofanov
patent: 4779107 (1988-10-01), Weisfield et al.
Amy Jonathan W.
Stafford, Jr. George C.
Taylor Dennis M.
Anderson Bruce C.
Finnigan Corporation
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