Field emission ion source having heated anode

Details Field emission ion source having heated anode Field emission ion source having heated anode

1976-07-06

1977-10-18

Rolinec, Rudolph V.

Electric lamp and discharge devices

With temperature modifier

Electric heater

313363, 313359, H01J 3934

Patent

active

040548104

ABSTRACT:
A field emission ion source of the type employing a thin anode having an elongated surface utilizes local heating of the anode to prevent material from being adsorbed on the anode's surface. The anode may be a wire or a thin knife-edged metal strip through which an electrical current is passed to heat the anode.

REFERENCES:
robertson et al., "British Journal of Applied Physics", 1963, vol. 14, pp. 278-283.

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