| 申请日期 | 2025-11-26 | 申请号 | EP07254944 |
| 公开（公告）号 | EP1942172A1 | 公开（公告）日 | 2008-07-09 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | E I du Pont de Nemours and Company | ||
| 简介 | The present invention is directed to rare-earth doped solid state solutions of alkaline earth fluorides having novel luminescence properties, and to a process for preparing them. The invention is useful as identifying markers on articles. Other uses include phosphors for plasma displays, optical frequency multipliers, optical amplifiers and the like. | ||
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