| 发明名称 |
LEUCHTSCHIRM |
| 摘要 |
<p>A luminescent beryllium-containing phosphate activated by bivalent europium defined by the formula Mea-xBebEuxP2O8 where a + b = 3 and 0.01</=x</=0.25 and b has the value 1 or 2. If b = 2, Me mainly represents one of the alkaline earth metals barium, strontium and calcium. If b = 1, Me mainly represents barium and/or strontium.</p> |
| 申请公布号 |
DE2425567(A1) |
申请公布日期 |
1974.12.19 |
| 申请号 |
DE19742425567 |
申请日期 |
1974.05.27 |
| 申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
JAN VERSTEGEN,JUDICUS MARINUS PIETER;DE MEESTER,EMIEL PETRUS JULIAAN;SPIJKER,WILLEBRORDUS HUBERTUS MARTINUS MARIA VAN D |
| 分类号 |
C09K11/08;C09K11/77;H01J29/20;(IPC1-7):C09K1/36;H01J61/44 |
主分类号 |
C09K11/08 |
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