Lamp including sulfur

Details Lamp including sulfur Lamp including sulfur

1993-06-03

1995-04-04

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

Having a particular total or partial pressure

313637, 313638, 313643, 315248, H01J 1720, H01J 6112, H01J 6118

Patent

active

054040760

ABSTRACT:
A high power lamp which utilzes a lamp fill containing sulfur or selenium, or compounds of these substances. An electrodeless lamp utilizing such a fill at a pressure at least as high as 1 atmosphere is excited at a power density in excess of 50 watts/cc. An arc lamp utilizing the fill at a pressure at least as high as 1 atmosphere is excited at a power density of at least 60 watts/cm.

REFERENCES:
patent: 4427922 (1984-01-01), Proud et al.
patent: 4476413 (1984-10-01), Gough et al.
patent: 4937503 (1990-06-01), Sigai et al.
patent: 4945290 (1990-07-01), Eliasson et al.
Patent Abstracts of Japan, vol. 4, No. 40 (E-004), Mar. 28, 1980 relating to JP-A-55 010 755 (Ushio Inc), Jan. 25, 1980.
Childs et al., "Some Characteristics of Low Pressure, Sulfur, Microwave-Excited, Electrodeless Discharge Lamps", Applied Spectroscopy, vol. 30, No. 5, pp. 507-509, 1976, Baltimore US.
Bentley et al., "Preparation of Electrodeless Discharge Lamps for Elements Forming Gaseous Covalent Hydrides", Analytical Chemistry, vol. 49, No. 4, Apr. 1977, pp. 551-554, Columbus US.

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