Method and apparatus for cooling window foils of electron beam a

Details Method and apparatus for cooling window foils of electron beam a Method and apparatus for cooling window foils of electron beam a

1996-10-15

1999-03-02

O'Shea, Sandra

Electric lamp and discharge devices

With temperature modifier

Using liquids or fluid flow directing means

313420, 313 40, 313 42, H01J 726, H01J 6152, H01J 102, H01J 724

Patent

active

058775820

ABSTRACT:
A method and apparatus for cooling window foils for extracting electron beams from a scanning type electron beam accelerator, the accelerator includes a primary window foil of double window type and a secondary window foil, the method and the apparatus are characterized by blowing cooling gasses against an electron beam scanning surface from both sides thereof to cool the primary window foil then reversing the flow of the cooling gasses at the center of the primary window foil, and circulating the cooling gasses by sucking the cooling gasses from both sides of the electron beam scanning surface to thereby simultaneously cool the secondary window foil.

REFERENCES:
European Patent Office Comminication with attached European Search Report for Eurpean Patent Application No. 96116681.8 dated Jan. 23, 1997.

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