High-pressure sodium vapor discharge lamp

Details High-pressure sodium vapor discharge lamp High-pressure sodium vapor discharge lamp

1978-03-30

1979-03-27

Rolinec, Rudolph V.

Electric lamp and discharge devices

With magnetic device

Field transverse to discharge

313185, 313214, 313225, H01J 6112

Patent

active

041468139

ABSTRACT:
The invention relates to a high-pressure sodium vapor discharge lamp comprising a discharge tube containing sodium and xenon.
In accordance with the invention the inside diameter of the discharge tube is below 5 mm and greater than 1 mm. In addition the xenon pressure is relatively high in the operating condition of the lamp which -- together with a pressure of the sodium in a given range -- can result in a high luminous efficacy of the lamp.

REFERENCES:
patent: 4039880 (1977-08-01), Beijer et al.

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