Electron beam tubes having a unitary envelope having stepped inner surface
US5821693A · kind A · utility
2Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1995 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Aug 3, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J25/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electron beam tube includes a unitary metal cylinder and a plurality of transverse walls located within it which define resonant cavities. As the cylinder is in one piece vacuum joints are only required at the ends of the structure. Drift spaces between the resonant cavities are enclosed within drift tubes which join two adjacent transverse walls. The inner diameter of the tube is stepped to facilitate assembly and accuracy of the structure. In use, an electron beam is generated and interacts with applied r.f. energy to produce amplification of an applied r.f. signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.