发明名称 |
Gradient intensifying screen |
摘要 |
A gradient intensifying screen comprising a support, a fluorescent layer formed on the support and a transparent protective layer formed on the fluorescent layer, characterized in that at least a part of the transparent protective layer is dyed with a dyestuff so that the light transmission of the transparent protective layer is partially varied.
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申请公布号 |
US4772803(A) |
申请公布日期 |
1988.09.20 |
申请号 |
US19870054035 |
申请日期 |
1987.05.22 |
申请人 |
KASEI OPTONIX, LTD. |
发明人 |
HORIUCHI, HIDENAGA;AOKI, YUJI;UMEMOTO, AKIO |
分类号 |
G21K4/00;(IPC1-7):G01J1/58 |
主分类号 |
G21K4/00 |
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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