Photomultiplier tube comprising a second dynode having a saturated secondary electron emission ratio
US5736731A · kind A · utility
6Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1996 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | Jul 19, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J43/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a photomultiplier tube, a second dynode Dy2 is located in confrontation with a first dynode Dy1 in an electron multiplication portion 6. The second dynode Dy2 is made of material that has a secondary electron emission gain which is substantially saturated with respect to an electric voltage applied thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.