Transmission mode photocathode with multilayer active layer for night vision and method
US6005257A · kind A · utility
5Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1995 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Sep 13, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2231/50015
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved photocathode and image intensifier tube are disclosed along with a method for making both the tube and photocathode. The disclosed photocathode and image intensifier tube have an active layer comprising two or more sublayers. The first sublayer has a first concentration of a group III-V semiconductor compound while the second sublayer has a second concentration of the group III-V semiconductor compound. The multilayer active layer is coupled to a window layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.