Field emission apparatus with superior structural stability and X-ray tube comprising the same
US11195684B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2020 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Jun 23, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2201/30469
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a field emission apparatus including a pipe-shaped emitter holder comprising an electrically conductive material and a first internal space communicated in a first direction, and an emitter electrode having one or more yarns each having a structure extending in the first direction in which a plurality of CNTs that extend in the first direction are aggregated, and the emitter electrode is inserted in the first internal space while extending in the first direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.