Lamps and ribbon seals

Details Lamps and ribbon seals Lamps and ribbon seals

1986-06-19

1987-07-21

DeMeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

313623, 313635, 313332, H01J 532

Patent

active

046820710

ABSTRACT:
An electric lamp designed to operate in air and of the type incorporating at least one current-supply foil embedded within and extending along a light transmitting stem and welded at its inner and outer ends to an inner conductor and a terminal conductor respectively, in which the end face of the stem is unenclosed and is such that a proportion of radiation which is incident upon it from the lamp in use thereof is directed away from the foil and adjacent region of the terminal conductor. The invention is especially applicable to high power lamps and has the effect of reducing the temperature of the outer ends of the current-supply foils, which are vulnerable to oxidation.

REFERENCES:
patent: 2353668 (1944-07-01), Hinman
patent: 3219870 (1965-11-01), Gottschalk
patent: 3351798 (1967-11-01), Bauer

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