High-pressure discharge lamp

Electric lamp and discharge devices – Liquid electrode discharge devices – Auxiliary starting or holding electrode

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Details

417 48, H01J 6126

Patent

active

041277902

ABSTRACT:
A high-pressure discharge lamp having a hydrogen getter in the lamp vessel disposed in a metal envelope which is hydrogen-permeable. The hydrogen-permeable metal of the envelope is covered with a porous halogen-resistant layer. The atoms of the metal halides dissociated in the discharge can recombine at the porous layer so that blackening of the discharge vessel is mitigated.

REFERENCES:
patent: 3953755 (1976-04-01), Kuus et al.

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