Activation of thin wire emitters for field ionization/field deso

Coating processes – Electrical product produced – Filament for lamp or tube

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148 63, 313340, 313345, 427116, 427120, B05D 512

Patent

active

039365328

ABSTRACT:
Improved, more reliable activation of a thin wire emitter for field ionization and field desorption mass spectrometry is provided by controlled preroughening of the emitter wire prior to growing semiconducting microneedles on the wire surface.

REFERENCES:
patent: 1699639 (1929-01-01), Van Gessel
patent: 2151797 (1939-03-01), Prescott, Jr.
patent: 2161790 (1939-06-01), Abadie
patent: 3345218 (1967-10-01), Brookover et al.
patent: 3401297 (1968-09-01), Feinleib
patent: 3450565 (1969-06-01), Theodosupoulos et al.

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