Continuous channel electron beam multiplier
US4073989A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1964 |
| Grant date | Feb 14, 1978 |
| Priority date | — |
| Expiry date | Jan 17, 1984 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24273
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
1. A fully vitrified ceramic element comprising a thin wafer having at least one aperture extending through said wafer, and perpendicular to the major surfaces of said wafer, the composition of said wafer consisting essentially of between 10 and 50 mole percent of at least one oxide selected from the group consisting of the oxides of Cs, Rb, K, Be, Mg, Ca, Ba, Sr, Ce, La, Yt and Zn, and between 90 and 40 mole percent of oxide of a metal selected from the group consisting of titanium, tin and niobium and between 0.5 and 3 mole percent of an oxide forming compound of at least one element selected from the group consisting of Ag, Au, Pd, Mo, W, and Sb.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.