发明名称 |
X-ray intensifying screens with mixed morophology phosphors |
摘要 |
An X-ray evaluation apparatus of a film in cooperation with an intensifying screen with improved resolution at a constant coating weight and speed comprises a phosphor-binder layer coated on a support, wherein the phosphor comprises a rare earth tantalate phosphor in which 5-80% has a tabular morphology with an average aspect ratio of about 2:1 and the remainder of the phosphor has a polyhedral morphology.
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申请公布号 |
US5494761(A) |
申请公布日期 |
1996.02.27 |
申请号 |
US19930128953 |
申请日期 |
1993.09.29 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HEDDEN, DAVID B.;ZEGARSKI, WILLIAM |
分类号 |
C09K11/77;C09K11/81;G03C5/17;G21K4/00;(IPC1-7):G03C5/17 |
主分类号 |
C09K11/77 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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