Ballistic electron, solid state cathode
US5359257A · kind A · utility
8Cited by
11References
55Claims
0Family size
Inventors
Key dates
| Filing date | Dec 3, 1990 |
| Grant date | Oct 25, 1994 |
| Priority date | — |
| Expiry date | Dec 3, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J1/308
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A majority carrier, solid state cathode uses ballistic behavior to provide a highly coherent (and modulated) electron beam, with a large current density and expected efficiencies greater than fifty percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.