Unsaturated vapor high pressure sodium lamp getter mounting

Details Unsaturated vapor high pressure sodium lamp getter mounting Unsaturated vapor high pressure sodium lamp getter mounting

1988-11-21

1989-08-22

Wieder, Kenneth

Electric lamp and discharge devices

With getter

Electrode includes getter, supports getter, or is connected...

H01J 6126

Patent

active

048599050

ABSTRACT:
An unsaturated vapor type high pressure sodium lamp includes an arc tube having a tubular ceramic envelope containing a dosing of sodium, mercury and a rare gas with an electrode sealed into each end of the envelope and an oxygen-absorbing getter telescoped over or affixed to the electrode.

REFERENCES:
patent: 3248590 (1966-04-01), Schmidt
patent: 3453477 (1969-07-01), Hanneman et al.
patent: 3485343 (1969-12-01), Jorgensen
patent: 3558963 (1971-01-01), Hanneman et al.
patent: 3737710 (1973-06-01), Waymouth et al.
patent: 4075530 (1978-02-01), Furukubo et al.
patent: 4101796 (1978-07-01), Kuus et al.

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