Flash tube

Details Flash tube Flash tube

1979-10-29

1982-03-02

Krawczewicz, Stanley T.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

313179, 313217, 313218, 313246, H01J 1716

Patent

active

043180248

ABSTRACT:
A flash tube is disclosed having metallic end caps attached either in the shape of a plate or a cup upon ends of a glass or quartz tube. They are attached by adhesive, or are soldered on by soldering glass. One of the end caps internally supports a sintered body as a cathode. Soldering temperatures and a distance of the sintered body from the soldered joint when soldering glass is used are chosen such that no activating metal of the sintered body evaporates, since this reduces the work function of the electrons at the ends of the tube.

REFERENCES:
patent: 3098166 (1963-07-01), Goldberg
patent: 3312853 (1967-04-01), Mela
patent: 3363133 (1968-01-01), Harris et al.
patent: 3390296 (1968-06-01), Smith
patent: 3549936 (1970-12-01), Hama et al.
patent: 3693007 (1972-09-01), Kerekes
patent: 3748519 (1973-07-01), Martin et al.
patent: 4099084 (1978-07-01), Hoene
patent: 4203050 (1980-05-01), Rech et al.

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