Mercury electrodeless discharge lamp and method of its fabricati

Details Mercury electrodeless discharge lamp and method of its fabricati Mercury electrodeless discharge lamp and method of its fabricati

1975-12-22

1976-11-23

Lazarus, Richard B.

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

316 24, 313201, 313225, 313227, H01J 938

Patent

active

039933792

ABSTRACT:
Disclosed is a mercury electrodeless discharge lamp for use in spectrophotometric analysis, particularly atomic absorption spectrophotometry, and a method of its fabrication. Unreduced mercuric oxide (HgO) is employed as the source of mercury in the lamp. In fabricating the lamp, a small quantity of mercuric oxide is introduced into a lamp bulb which has been previously cleansed and flushed with noble gas. The bulb is heated to a temperature just below the decomposition point of the mercuric oxide. The bulb is then flushed with a noble gas, filled to the desired pressure with a noble gas and sealed.

REFERENCES:
patent: 3787106 (1974-01-01), Schermerhorn
patent: 3868525 (1975-02-01), Waymouth et al.

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