Phosphor and radiation image storage panel containing the same
US4661419A · kind A · utility
58Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1985 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Jul 29, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7779
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cerium activated rare earth halophosphate phosphor having the formula (I): EQU LnPO.sub.4.aLnX.sub.3 :xCe.sup.3+ (I) in which Ln is at least one rare earth element selected from the group consisting of Y, La, Gd and Lu; X is at least one halogen selected from the group consisting of f, Cl, Br and I; and a and x are numbers satisfying the conditions of 0.1.ltoreq.a.ltoreq.10.0 and 0<x.ltoreq.0.2, respectively. A process for the preparation of said phosphor, a radiation image recording and reproducing method utilizing said phosphor, and a radiation image storage panel employing said phosphor are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.