System for extracting a high power beam comprising air dynamic a

Details System for extracting a high power beam comprising air dynamic a System for extracting a high power beam comprising air dynamic a

1995-07-14

1997-08-19

Lee, Benny

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

313420, 2504923, H01J 3304

Patent

active

056592230

ABSTRACT:
A system for extracting a high power beam from a vacuum in which a beam is generated into atmosphere, which system is formed of: (a) a thin foil window of a material having good heat dissipation properties positioned adjacent the vacuum to permit the beam to pass therethrough; and (b) an air dynamic window between the foil window and the atmosphere. The foil window and air dynamic window are designed such that most of the pressure ratio drop from vacuum to atmosphere is across the foil window and most of the pressure drop in psi is across the air dynamic window.

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B.J. Hughey, R.E. Shefer, R.E. Klinkowstein and J.J. Welch, "Design Considerations for Foil Windows for PET Radioisotope Targets," Proc. Fourth Int. Workshop on Targetry and Targetry Chemistry, R. Weinreich, ed., PSI Villigen, Switz, (1991).
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