Deep UV lamp bulb

Details Deep UV lamp bulb Deep UV lamp bulb

1982-10-06

1985-02-26

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

313636, 315 39, H05B 4116, H05B 4124

Patent

active

045019932

ABSTRACT:
An electrodeless lamp bulb for producing relatively high radiation output in the deep ultraviolet part of the spectrum when excited with microwave energy wherein the bulb envelope is made of synthetic quartz which is substantially water-free. This results in increased bulb lifetime, since loss of bulb transparency with exposure to deep ultraviolet radiation over time is substantially reduced. An electrodeless lamp incorporating the above-described bulb includes a microwave chamber in which the bulb is situated and means for coupling microwave energy to the chamber.

REFERENCES:
patent: 3872349 (1975-03-01), Spero et al.
patent: 4042850 (1977-08-01), Ury et al.
patent: 4156826 (1979-05-01), Hernqvist
Product Description of Suprasil-Suprasil W by Heraeus Amersil, Sayreville, N.J.
Catalogue of Thermal American Fused Quartz Co.-Vitreosil and Spectrosil-Montville, N.J.

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