Electric lamp and discharge devices – Liquid electrode discharge devices – Auxiliary starting or holding electrode
Patent
1977-09-20
1978-07-18
Rolinec, Rudolph V.
Electric lamp and discharge devices
Liquid electrode discharge devices
Auxiliary starting or holding electrode
313176, 313217, H01J 6124
Patent
active
041017960
ABSTRACT:
In high-pressure discharge lamps an electrode pin is provided with a closed cavity extending in the longitudinal direction and in which a hydrogen getter is present. The end of the electrode pin extending in the discharge vessel is formed by a metal part of a hydrogen-permeable metal which bounds the cavity.
This construction provides a solution for the contradictory requirements which have to be imposed upon the arrangement of a getter with a hydrogen-permeable envelope. The construction furthermore provides a hydrogen getter with both a high reactivity and a great capacity.
REFERENCES:
patent: 3983440 (1976-09-01), Scott et al.
Kuus Gijsbert
Tielemans Peter Andreas, Waltherus
Hostetter Darwin R.
Rolinec Rudolph V.
Smith Robert S.
Trifari Frank R.
U.S. Philips Corporation
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