Low-pressure mercury vapor discharge lamp with internal glass fi

Details Low-pressure mercury vapor discharge lamp with internal glass fi Low-pressure mercury vapor discharge lamp with internal glass fi

1982-12-22

1984-04-24

Demeo, Palmer C.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Reflector

313608, 313488, H01J 516, H01J 61067, H01J 6144

Patent

active

044450680

ABSTRACT:
The invention relates to a low-pressure mercury vapor discharge lamp having a tubular discharge vessel which is sealed in a vacuum-tight manner, a filamentary body, consisting for example of glass wool, which is thinly distributed over the volume of the discharge vessel being provided near the electrodes to increase the radiance in those portions of the discharge vessel.

REFERENCES:
patent: 4163169 (1979-07-01), Hasker
patent: 4179777 (1979-12-01), Hasker et al.
patent: 4221988 (1980-09-01), Hasker et al.

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