High-power X-ray source

Details High-power X-ray source High-power X-ray source

1979-05-03

1980-12-09

Church, Craig E.

Radiant energy

Ion generation

With sample vaporizing means

250402, H01J 3500

Patent

active

042386829

ABSTRACT:
Even ultra-thin films deposited on the surface of a high-power X-ray target anode (14) during water cooling thereof form thermal barriers that significantly limit the lifetime of the anode. The deposition of such films on the anode is minimized by utilizing several techniques. These include the use of low-corrosion metals such as high-chrome stainless steel in the cooling system, preferential etching of the water-carrying metallic members to provide chrome-rich surfaces, and complexing the metallic hydroxides that are produced in the cooling medium to hold them in a highly soluble state even in the immediate vicinity of the hot anode. These techniques, coupled with submicron filtering and systematic cleaning and maintenance of the cooling system, are important contributors to achieving highly reliable long-lifetime operation of a high-power X-ray source.

REFERENCES:
patent: 3171029 (1965-02-01), Boucher
patent: 3517195 (1970-06-01), Leavitt

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