Method of manufacturing an electron tube envelope assembly with

Details Method of manufacturing an electron tube envelope assembly with Method of manufacturing an electron tube envelope assembly with

1987-08-06

1988-06-21

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

228121, 228189, 228110, H01J 926, B23K 106

Patent

active

047522666

ABSTRACT:
An electron tube comprising a window having a radiation-sensitive layer. The window is laid on a bearing surface of an envelope, normal to the tube axis. There is no sealing material in the seam between the bearing surface and the window. The seam is sealed hermetically by a mass of indium or an indium alloy in which a metal wire is embedded along the circumference or the seam. The wire can be soldered with indium or an indium alloy. The seal is made by locally melting the indium or the indium alloy by a heated ultrasonically vibrating heat transfer member. The heat transfer member traverses the circumference of the seam.

REFERENCES:
patent: 2228352 (1941-01-01), Hopfield
patent: 3065533 (1962-11-01), Dungan et al.
patent: 3243627 (1966-03-01), Vine
patent: 3543383 (1970-12-01), Freeman
patent: 3967353 (1976-07-01), Pagnotta et al.
patent: 4304586 (1981-12-01), Vrijssen et al.

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