Low-pressure mercury vapor discharge lamp

Details Low-pressure mercury vapor discharge lamp Low-pressure mercury vapor discharge lamp

1980-04-07

1982-10-12

Gensler, Paul L.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313221, 313493, C09K 1146

Patent

active

043541399

ABSTRACT:
A low-pressure mercury vapor discharge lamp for radiation purposes having a discharge tube made of glass with selective transmission, the tube being coated on the inside with a luminescent layer. This layer contains a luminescent material which has the characteristic line emission of gadolinium at 312 nm. The discharge tube is made of glass having an absorption edge located between 260 and 280 nm and the tube has at 312 nm a transmission of at least 80%.

REFERENCES:
patent: 3715612 (1973-02-01), Someya et al.
patent: 4153572 (1979-05-01), Wolfe
patent: 4215289 (1980-07-01), Dettair et al.

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