Device and method for electron emission and device including such an electron emission system
US9263229B2 · kind B2 · utility
7Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2013 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Feb 15, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2237/2802
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device and method for emitting electrons by a field effect. The device (10) includes a vacuum chamber (12) including a tip (14) having an end (18) and forming a cold cathode, an extracting anode (16), components adapted for generating a potential difference between the tip (14) and the anode (16);
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.