Use of silicon to extend useful life of metal halide discharge l

Details Use of silicon to extend useful life of metal halide discharge l Use of silicon to extend useful life of metal halide discharge l

1990-07-16

1992-08-04

Laroche, Eugene R.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315344, 313635, H05B 4116

Patent

active

051362147

ABSTRACT:
A silicon flake comprising silicon in a sufficient quantity is inserted into the arc tube of a high-intensity, metal halide discharge lamp in order to avoid a substantial buildup of free halogen, thereby extending the useful life of the lamp.

REFERENCES:
patent: 2886730 (1959-05-01), Sheldon
patent: 3624444 (1971-11-01), Berthold
patent: 4360756 (1982-11-01), Spencer
patent: 4810938 (1989-03-01), Johnson et al.
patent: 4916359 (1990-04-01), Jonsson
Waymouth, J. F., "Electric Discharge Lamps", MIT Press, 1971, pp. 266-277.

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