Electric lamp and discharge devices – Liquid electrode discharge devices – Auxiliary starting or holding electrode
Patent
1977-09-20
1978-11-28
Rolinec, Rudolph V.
Electric lamp and discharge devices
Liquid electrode discharge devices
Auxiliary starting or holding electrode
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.
De Ridder Adriaan J.
Kuus Gijsbert
Hostetter Darwin R.
Rolinec Rudolph V.
Smith Robert S.
Trifari Frank R.
U.S. Philips Corporation
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