Electrode material for fluorescent lamps
Patent
·
OSTI ID:1531443
There is provided an emissive mixture for cathodes of fluorescent lamps comprising a ceramic material having a formula (A1-x Cax)6 (Ta1-y Wy)2 O11+y, where A is barium or a combination of barium and strontium, 0≦x<0.5, 0≦y<1, and one of x or y is greater than zero. The ratio of lamp efficacy to number of lamp starts may be improved by optimizing the amount of Ca and W present in the ceramic material.
- Research Organization:
- General Electric Company, Schenectady, NY (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC36-97GO10236
- Assignee:
- General Electric Company (Schenectady, NY)
- Patent Number(s):
- 6,384,534
- Application Number:
- 09/466,009
- OSTI ID:
- 1531443
- Country of Publication:
- United States
- Language:
- English
Thermal Model of the Fluorescent Lamp Electrode
|
journal | July 1989 |
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