Electron-impact type of ion source with double grid anode

Details Electron-impact type of ion source with double grid anode Electron-impact type of ion source with double grid anode

1985-03-25

1986-10-28

Anderson, Bruce C.

Radiant energy

Ion generation

Electron bombardment type

250288, 3133601, 3133631, H01J 2720

Patent

active

046201025

ABSTRACT:
A double grid anode is characterized in that said anode is comprised of a first cage-like anode made of a metal grid or wire gauze that permits that passage of electrons and that has an open end, a second anode which also consists of a metal grid or wire gauze located at the open end side of said first anode, a hot-cathode filament arranged around the outer periphery of said first anode, and an ion-extraction electrode which faces said anode.

REFERENCES:
patent: 4272699 (1981-06-01), Faubel et al.
Pittaway, Philips Research Reports, v. 29, 1974, pp. 363-382.

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