(Barium hafnate: Cu) phosphors and phosphor screens
US5698857A · kind A · utility
38Cited by
8References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1995 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Dec 19, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21K2004/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
(Barium halfnate:Cu) phosphors and phosphor screens. The phosphor screens include a support and a luminescent portion. The phosphor includes oxygen and a combination of species characterized by the relationship: (Ba.sub.1-q M.sub.q)(Hf.sub.1-z-e Zr.sub.z Mg.sub.e):yT where M is selected from the group consisting of Ca and Sr and combinations thereof; T is Cu; q is from 0 to 0.15; z is from 0 to 1; e is from 0 to 0.10; z+e is from 0 to 1; and y is from 1.times.10.sup.-6 to 0.02.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.