Electrodes and lamps
US5880559A · kind A · utility
10Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | May 16, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/0677
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cold cathode electrode for a discharge lamp has a metal substrate supporting a layer of diamond, so as to increase the electron yield of the electrode. The substrate may be a helical nickel wire with a layer of diamond forming it into a continuous tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.