Heavily loaded double-ended arc lamp

Details Heavily loaded double-ended arc lamp Heavily loaded double-ended arc lamp

1994-04-12

1996-01-23

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

313493, H01J 6130

Patent

active

054867371

ABSTRACT:
A highly loaded, double ended arc lamp has a cylindrical arc chamber with a volume of 56 cc and an arc length of 108 mm. The metal halide fill is limited to amount below 0.6 mg/cc and comprises HgI.sub.2 ; NaI/CsI in a 6:1 weight ratio; and scandium metal. The 2000W lamp is employed for stadium lighting.

REFERENCES:
patent: Re27953 (1974-03-01), Gungle et al.
patent: 3832587 (1974-08-01), Waymouth et al.
patent: 4161672 (1979-07-01), Cap et al.
patent: 4612475 (1986-09-01), Downing
patent: 5117154 (1992-05-01), Thomas et al.
patent: 5138227 (1992-08-01), Heider et al.
patent: 5142195 (1992-08-01), Heider et al.
patent: 5264759 (1993-11-01), Lewandowski et al.

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