Method of heat shrink assembly of traveling wave tube

Details Method of heat shrink assembly of traveling wave tube Method of heat shrink assembly of traveling wave tube

1997-12-15

1999-10-12

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 33, H01J 918

Patent

active

059646330

ABSTRACT:
A traveling wave tube having an electron gun and a collector assembly is provided. The assemblies include a sleeve placed around an isolator. The sleeve is either heat shrunk or heat deformed around the isolator. Heat shrinking is performed when the sleeve radius is initially larger than the isolator radius. During heat shrinking, the sleeve is heated to cause the sleeve radius to increase and be larger than the isolator radius. The sleeve is then placed around the isolator and cooled causing the sleeve to contract upon the isolator. Heat deformation is performed when the sleeve radius is initially smaller than the isolator radius. During heat deformation, the isolator is inserted into the sleeve. The isolator and the sleeve are then heated so that the sleeve expands to a constrained amount of expansion and then deforms. The sleeve and the isolator are then cooled causing the sleeve to contract upon the isolator.

REFERENCES:
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Curren A. N. et al., "The Cassini Mission KA-Band TWT", 1995 IEEE International Conference On Systems, Man and Cybernetics, Vancouver, Oct. 22-25, 1995, pp. 783-786, XP000585603, Institude of Electrical and Electronics Engineers.
Patent Abstracts of Japan, vol. 097, No. 012, Dec. 25, 1997 JP 09 213226 A. (NEC Corp.), Aug. 15, 1997.

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