Ceramic metal halide lamps

Details Ceramic metal halide lamps Ceramic metal halide lamps

1988-03-28

1990-03-20

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

Having specified electrode spacing

313624, 313625, 313642, H01J 61073, H01J 6136

Patent

active

049104322

ABSTRACT:
A ceramic metal halide high pressure discharge lamp has an arc gap separating the discharge electrodes which is not more than 10 mm and a wall loading which is at least 50 W cm.sup.-2. The relatively small arc gap enables a relatively low operating voltage (in the range from 80V to 130V, say) to be used.

REFERENCES:
patent: 3259777 (1966-07-01), Fridrich
patent: 4475061 (1984-10-01), Van de Weijer et al.
patent: 4585972 (1986-04-01), Hing
patent: 4594529 (1986-06-01), de Vrijer
"Tin Sodium Halide Lamps in Ceramic Envelopes", by K. E. Brown, et al., Journal of IES, Jan. 1982, pp. 106 through 114.

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