Electrode material for fluorescent lamps
Abstract
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.
- Inventors:
- Issue Date:
- Research Org.:
- General Electric Co., Schenectady, NY (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1531443
- Patent Number(s):
- 6384534
- Application Number:
- 09/466,009
- Assignee:
- General Electric Company (Schenectady, NY)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- DOE Contract Number:
- FC36-97GO10236
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 1999-12-17
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE
Citation Formats
Srivastava, Alok Mani, Comanzo, Holly Ann, Bigio, Laurence, Beers, William Winder, Soules, Thomas Frederick, and Abasari, Emoke. Electrode material for fluorescent lamps. United States: N. p., 2002.
Web.
Srivastava, Alok Mani, Comanzo, Holly Ann, Bigio, Laurence, Beers, William Winder, Soules, Thomas Frederick, & Abasari, Emoke. Electrode material for fluorescent lamps. United States.
Srivastava, Alok Mani, Comanzo, Holly Ann, Bigio, Laurence, Beers, William Winder, Soules, Thomas Frederick, and Abasari, Emoke. Tue .
"Electrode material for fluorescent lamps". United States. https://www.osti.gov/servlets/purl/1531443.
@article{osti_1531443,
title = {Electrode material for fluorescent lamps},
author = {Srivastava, Alok Mani and Comanzo, Holly Ann and Bigio, Laurence and Beers, William Winder and Soules, Thomas Frederick and Abasari, Emoke},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {5}
}
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