Metal halide lamp having specific volume pressure ratio

Details Metal halide lamp having specific volume pressure ratio Metal halide lamp having specific volume pressure ratio

1997-02-24

1998-09-15

O'Shea, Sandra L.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313568, H01J 6130

Patent

active

058083987

ABSTRACT:
A metal halide lamp provided with an outer bulb having a volume V.sub.bu in which a discharge vessel with a volume V.sub.ob and having a ceramic wall is arranged, which vessel contains mercury, at least one halide, and also a rare gas having a filling pressure P.sub.ob. The relation P.sub.ob *V.sub.ob /V.sub.bu .ltoreq.6 mbar is satisfied.

REFERENCES:
patent: 5424609 (1995-06-01), Geven et al.

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