Liquid metal ion sources

Details Liquid metal ion sources Liquid metal ion sources

1983-02-07

1986-03-18

Rolla, Joseph J.

Electric lamp and discharge devices

With positive or negative ion acceleration

Supplying ionizable material

3133631, 222420, 222510, H01J 102

Patent

active

045771359

ABSTRACT:
A source for the provision of ions or charged droplets of a liquid metal, consisting of a needle having an emitting tip, a reservoir for a liquid metal, ions or charged droplets of which are to be emitted by the source, and a sheath surrounding the needle and from which the needle projects. The sheath serves to convey liquid metal to the emitting tip of the needle at a controlled rate. There is provided a device for withdrawing the emitting tip of the needle into the sheath so as to enable the emitting tip of the needle to be immersed in the liquid metal.

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