Ceramic metal halide lamp with specific halide dosage to mercury weight ratio
US7514874B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Aug 17, 2005 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Dec 5, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A ceramic metal halide lamp wherein the halide dose includes the following component ranges in mol/cm3: Nal: 1.84×10-5 to 2.33×10-5, Lnl3: 5.20×10-6 to 6.60×10-6, Tl: 1.76×10-7 to 2.23×10-7, wherein Ln are lanthanide elements, and further includes a halide dosage weight of between 0.40 to 0.77.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.