Electrochemical generation of field desorption emitters

Details Electrochemical generation of field desorption emitters Electrochemical generation of field desorption emitters

1976-05-13

1977-08-09

Steiner, Arthur J.

Electric lamp and discharge devices

Electrode and shield structures

Point source cathodes

428628, 428567, H01J 116, H01J 1910

Patent

active

040413462

ABSTRACT:
An electrochemically generated field desorption emitter for use in mass spectrometry, and a process for forming such an emitter by immersing a metal support, as a first electrode, and a second electrode in an electrolytic liquid mixture having appropriate concentration of a metal compound, and applying a plurality of short duration, electrical pulses between the electrodes. The emitter so formed comprises an elongated metal support having a plurality of metal dendrites extending in a generally radially outwardly direction therefrom.

REFERENCES:
patent: 2116927 (1938-05-01), Germer
patent: 3323951 (1967-06-01), Kreiselmaier
patent: 3684480 (1972-08-01), Louzos
patent: 3801413 (1974-04-01), Block et al.
patent: 3843335 (1974-10-01), Holmen
patent: 3890209 (1975-06-01), Shigeta
patent: 3982148 (1976-09-01), Kaplan

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