Electron-beam device
US9076633B2 · kind B2 · utility
0Cited by
8References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 27, 2012 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jun 27, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21K5/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In order to improve the performance of an electron-beam device, the ends of the cathode housing is provided with dome-shaped structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.