Electron tube including aluminum seal ring
US5594301A · kind A · utility
11Cited by
15References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1996 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | Jan 22, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J43/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electron tube, such as, a photomultiplier, includes an aluminum seal ring 4 disposed between a Kovar cylinder 1, and a quartz faceplate 5 having a photocathode 6. The electron tube further includes a borosilicate stem plate 2, an anode 8, and a dynode 7. The aluminum seal ring 4 provides for increased air tightness, reliability, quantum efficiency, and gain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.