Low mercury arc discharge lamp containing neodymium
US5479072A · kind A · utility
26Cited by
11References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1991 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Nov 12, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/125
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high intensity metal halide arc discharge lamp, such as an electrodeless lamp wherein RF energy is inductively coupled to the arc discharge, contains a halide of neodymium alone or in combination with other metals such as one or more rare earth metals, Na, Cs and is essentially mercury free (i.e., <1 mg per cc of arc chamber volume).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.