Liquid metal ion source

Details Liquid metal ion source Liquid metal ion source

1980-05-12

1982-03-02

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Discharge device load with fluent material supply to the...

Electron or ion source

250423R, 313232, 3133621, H01J 2702

Patent

active

043180299

ABSTRACT:
Liquid metal ion source has cylindrical ceramic tube 12 embraced by strip heater 20 which is held in place by ceramic bushing 26. Apex 28 of the strip heater contains the ion source fuel metal and is pierced by needle 34 having sharp tip 36. Upon heating and electrical bias with respect to a coaxial extraction electrode, tip 36 emits ions.

REFERENCES:
patent: 3233404 (1966-02-01), Huber et al.
patent: 3475636 (1969-10-01), Eckhardt
patent: 4088919 (1978-05-01), Clampitt et al.

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