Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1990-11-19
1991-12-03
Seidleck, James J.
Stock material or miscellaneous articles
Composite
Of inorganic material
2504831, 2523014H, 2523015, G03C 517, G21K 400
Patent
active
050699822
ABSTRACT:
An X-ray intensifying screen made from a mixture of yttrium tantalate and lanthanum oxyhalide phosphors is described. This screen, when used to expose a silver halide element, e.g., conventional grain or tabular grain element, will produce superior image resolution compared to similar screens made using single phosphors alone.
REFERENCES:
patent: 4387141 (1983-06-01), Patten
E. I. Du Pont de Nemours and Company
Nold Charles R.
Seidleck James J.
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