High pressure sodium vapor discharge lamp

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

1977-03-14

1978-08-22

Rolinec, Rudolph V.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

313113, 313229, 313489, H01J 6118

Patent

active

041091752

ABSTRACT:
A high pressure sodium vapor discharge lamp comprises an alumina tube envelope containing therein sodium, inert starting gas, buffer gas source of mercury or cadmium and discharge electrodes sealed in the envelope, inner diameter d (in mm) of said tube envelope and an average potential gradient E in volt/cm having the relation

REFERENCES:
patent: 3898504 (1975-08-01), Akutsu et al.

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