Low temperature, high-brightness, cathode
US10593505B1 · kind B1 · utility
1Cited by
3References
18Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Nov 28, 2018 |
| Grant date | Mar 17, 2020 |
| Priority date | — |
| Expiry date | Nov 28, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2237/3175
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Thermionic cathodes and an electron emission apparatus are provided. The thermionic cathodes comprise perovskite material in crystal or sintered form. The thermionic cathodes provide strong electron emission at low operating temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.