Method of making direct seal between niobium and ceramics

Details Method of making direct seal between niobium and ceramics Method of making direct seal between niobium and ceramics

1983-09-06

1985-10-08

Lindsay, Robert

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 5923, 65 5925, 65 5931, 65 5935, 313623, C03C 2900

Patent

active

045457999

ABSTRACT:
A high pressure arc lamp has a ceramic arc tube envelope. A niobium feedthrough positions electrodes within the tube. A ceramic insert at each end of the tube forms a direct high temperature hermetic seal with the niobium feedthrough and the ceramic tube without the use of frits or brazing.

REFERENCES:
patent: 2561520 (1951-07-01), Lemmens et al.
patent: 2699594 (1955-01-01), Bowne
patent: 3035372 (1962-05-01), Mayers
patent: 3281309 (1966-10-01), Ross
patent: 3428846 (1969-02-01), Rigden et al.
patent: 3441421 (1969-04-01), Sarver et al.
patent: 3448319 (1969-06-01), Louden
patent: 3564328 (1971-02-01), Bagley
patent: 4004173 (1977-01-01), Rigden

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