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Selective spectral output metal halide lamp

阅读:64发布:2023-04-23

专利汇可以提供Selective spectral output metal halide lamp专利检索,专利查询,专利分析的服务。并且A high pressure metal halide vapor arc lamp providing radiation concentrated in selected spectral bands. The filling comprises metal halide buffer species in addition to metal halide emitter species. The buffer species increase the energy input to the arc, thereby augmenting the radiation from the emitter species. The radiation from the buffer species may be negligible or is largely suppressed. A lamp emitting in the blue, green and red bands comprises a limited quantity of ZnI.sub.2 as buffer species which serve to augment the radiation from LiI and TlI present as emitter species, optionally with a limited quantity of Hg as a secondary buffer.,下面是Selective spectral output metal halide lamp专利的具体信息内容。

1. A HIGH INTENSITY LAMP PROVIDING RADIATION CONCENTRATED IN SELECTED SPECTRAL BANDS COMPRISING: AN HERMETICALLY SEALED LIGHT-TRANSMISSIVE ENVELOPE; A PAIR OF ARC ELECTRODES SEALED THEREIN AND DEFINING AN ARC GAP; AN INERT STARTING GAS AT A PRESSURE OF A FEW TORR THEREIN; AND A CHARGE THEREIN COMPRISING PER CUBIC CENTIMETER OF ENVELOPE VOLUME FROM ABOUT .02 TO 2.0 MILLIGRAMS OF LIL, FROM ABOUT .02 TO 1.5 MILLIGRANS OF ZNL2, AND FROM ABOUT .02 TO 3.0 MILLIGRAMS OF TII.
2. A lamp as in claim 1 containing in addition not over about 0.25 milligrams of mercury per cubic centimeter of envelope volume.
3. A lamp as in claim 1 containing in addition not over about 1 milligram of mercury per cubic centimeter of envelope volume.
4. A lamp as in claim 1 wherein the electrodes consist of unactivated tungsten.
5. A lamp as in claim 1 containing per cubic centimeter of envelope volume about .57 mg. of LiI, about .91 mg. of TlI, about .63 mg. of ZnI.sub.2 and in addition about .06 mg. of Hg.
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