| 发明名称 |
Mixed phosphors comprising both Gd2O2S and GdTaO4 and X-ray screens thereof |
| 摘要 |
An X-ray phosphor comprising a mixture of gadolinium oxysulfide and gadolinium tantalate, activated with trivalent terbium, is employed in X-ray conversion screens to convert X-rays to visible light, mostly in the green region of the spectrum.
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| 申请公布号 |
US4431922(A) |
申请公布日期 |
1984.02.14 |
| 申请号 |
US19810335644 |
申请日期 |
1981.12.30 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
PATTEN, STANLEY H. |
| 分类号 |
C09K11/08;C09K11/77;C09K11/84;G03B42/02;G21K4/00;H01J31/50;(IPC1-7):C09K11/47;G01T1/00 |
主分类号 |
C09K11/08 |
| 代理机构 |
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