Electron source with microtip emissive cathodes
US5194780A · kind A · utility
167Cited by
8References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 1991 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | May 31, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2201/319
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electron source with microtip emissive cathodes having grating-like electrodes. These electrodes can either be cathode conductors (5) or grids (10). Specific application to the excitation of a display screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.