Vacuum-tight metal-to-metal seal

Details Vacuum-tight metal-to-metal seal Vacuum-tight metal-to-metal seal

1975-07-09

1977-02-01

Tupman, W.

316 17, H01J 918

Patent

active

040059200

ABSTRACT:
Methods and apparatus are provided for efficiently processing vacuum tubes containing microchannel plate electron multipliers. The vacuum tube body containing the microchannel plate is thermally treated under vacuum prior to sealing the tube faceplates by means of reversible melted metal seals.

REFERENCES:
patent: 2910338 (1959-10-01), Yoder
patent: 2984759 (1961-05-01), Vine
patent: 3353890 (1967-11-01), Legoux
patent: 3853374 (1974-12-01), Flasche

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