Mercury lamp of the short arc type

Details Mercury lamp of the short arc type Mercury lamp of the short arc type

1998-12-22

2000-12-19

Patel, Vip

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313573, 313634, H01J 6112

Patent

active

061631116

ABSTRACT:
To devise a mercury lamp of the short arc type with high power in which an arc tube can be kept unfouled over a long time and the demand for an increase in the amount of radiation can be met, in a quartz arc tube, a cathode and an anode are disposed opposite one another and the arc tube is filled with mercury and a rare gas. At least argon (Ar) and/or krypton (Kr) in an amount from 1.0 to 8 atm at room temperature is added as the rare gas. The amount depends on the value of ((Wd).sup.1/2 /R) where R is half the maximum diameter of the bulb in cm, d is the thickness of the bulb in cm, and W the input power supplied to the lamp in kW.

REFERENCES:
patent: 4728857 (1988-03-01), English et al.
patent: 5834895 (1998-11-01), Dolan et al.

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