Device for generating X-rays having a liquid metal anode

Details Device for generating X-rays having a liquid metal anode Device for generating X-rays having a liquid metal anode

2006-10-24

2006-10-24

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S119000, C378S143000

Reexamination Certificate

active

07127036

ABSTRACT:
A device for generating X-rays having a source for emitting electrons accommodated in a vacuum space, a liquid metal for emitting X-rays as a result of the incidence of electrons, and a pump for causing a flow of the liquid metal through a constriction where the electrons emitted by the source impinge upon the liquid metal, the constriction having a cross-sectional area which, seen in a flow direction, increases so that during operation in the flow direction, a decrease of a flow velocity takes place such that a decrease of a pressure of the liquid metal in the constriction, caused by viscous flow losses, substantially corresponds with an increase of the pressure caused by the decrease of the velocity so that a uniform and relatively low mechanical load is exerted on a window separating the constriction from the vacuum space during operation.

REFERENCES:
patent: 6185277 (2001-02-01), Harding
patent: 6961408 (2005-11-01), Harding et al.

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