Photocathode support of corundum with layer of barium boroaluminate or calcium boroaluminate glass
US4038576A · kind A · utility
5Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1976 |
| Grant date | Jul 26, 1977 |
| Priority date | — |
| Expiry date | Jan 26, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/863
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A window for an electron tube formed by a semiconductor device having a support of monocrystalline oxide, by a connection layer formed by a barium- or calcium-boroaluminate, by at least one passivating layer, and by an active layer having a constant composition and formed by a semiconductor material of the p-conductivity type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.