Process for the production of gas discharge lamps

Details Process for the production of gas discharge lamps Process for the production of gas discharge lamps

1978-03-23

1982-10-19

McQuade, John

H01J 924, H01J 938

Patent

active

043547176

ABSTRACT:
A process for producing a gas discharge lamp particularly useful as a flash tube comprising a glass tube, which contains an inert gas with a preformed sintered glass body sealed into each end and containing at least one electrical connector pin of an electrode extending therethrough in a sealed fashion, characterized by providing a glass tube, providing the sintered glass preforms for each end of the glass tube, sealing each of the glass bodies in the respective ends of the glass tube, and filling the glass tube with the desired amount of inert gas prior to completing the formation of all the seals between the glass tube and the glass bodies. The process preferably is accomplished in an apparatus having a chamber which can be evacuated and which can contain a controlled atmosphere at a desired pressure. The process may either form the seals simultaneously while in the chamber which contains the desired pressure of inert gas, or form the seal formed at one end of the glass tube and then form the seal at the other end.

REFERENCES:
patent: 3088201 (1963-05-01), Lauden et al.
patent: 3564328 (1971-02-01), Bagley et al.
patent: 3628846 (1971-12-01), Cortorillo
patent: 3636398 (1972-01-01), Boyce
patent: 3923189 (1975-12-01), Faulkner
patent: 4052635 (1977-10-01), Jacobs
"Recent Developments in Electronic Flash Lamps", by C. Meyer Phillips Technical Review, vol. 22, Sep. 1961, No. 12, pp. 377-390.

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