Cathode arrangement
US5343112A · kind A · utility
34Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1992 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Jun 1, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathode arrangement for emitting electrons includes an electrode-conductive emission body that defines an emission surface from which the electrons propagate. A slit pattern is cut into the emission body for dividing the emission body into a current path. Two spaced apart conductive terminals on the emission body connect opposite ends of the current path for carrying current along the emission body that is used to heat the emission body by Joule heat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.