Electron source operating method
US11430625B2 · kind B2 · utility
0Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2018 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jun 9, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2237/06341
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides an electron source operating method, the electron source including at least one emission site fixed on a tip, the emission site being a reaction product formed by metal atoms of a surface of the tip and gas molecules under an electric field, and the operating method comprises emitting electrons by controlling operating parameters of the electron source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.