Method of manufacturing a vacuum vessel provided with a radiatio

Details Method of manufacturing a vacuum vessel provided with a radiatio Method of manufacturing a vacuum vessel provided with a radiatio

1981-06-03

1984-02-21

Reynolds, B. A.

Electric heating

Metal heating

For bonding with pressure

219 912, 22826321, B23K 1120

Patent

active

044332300

ABSTRACT:
A vacuum vessel, used for such as an X-ray image intensifier, is provided with a radiation-permeable window member prepared from titanium or alloys thereof. The window member is supported on a support frame of iron or alloys thereof by resistance welding. A method of manufacturing the vacuum vessel comprises the steps of: successively spot welding the periphery of the window member by resistive heating to a support frame made of iron or alloys thereof with a pressure of 40-200 kg/cm.sup.2 while interposing a metal foil insert member having a lower melting point than the transformation point of the window member between the window member and the support frame; and hermetically sealing the periphery of the window member in the support frame.

REFERENCES:
patent: 3038988 (1962-06-01), Kessler et al.
patent: 3878417 (1975-04-01), Eberlein
American Society for Metals, Metals Handbook, 8th Edition, vol. 6-Welding and Brazing, 1971, pp. 413,419-421.

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