Gas discharge tube and method for forming electron emission layer in gas discharge tube
US6932664B2 · kind B2 · utility
41Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2002 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Apr 24, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J65/046
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gas discharge tube includes a plurality of light-emitting portions that are provided outside of the tube, at least two discharge electrodes, and an electron emission film formed on the entire inner wall of the tube for improving discharge characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.