Titanium activated hafnia and/or zirconia host phosphor containing neodymium
US5008034A · kind A · utility
14Cited by
13References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1990 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Jun 29, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/776
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An intensifying screen is disclosed containing a phosphor composition comprised of monoclinic crystals of a titanium activated hafnia phosphor host containing neodymium ions to reduce afterglow. A phosphor composition in which zirconia is at least partially substituted for hafnia is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.