申请日期 | 2025-06-26 | 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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