Radiant energy – Invisible radiation responsive nonelectric signalling – Luminescent device
Patent
1993-06-01
1994-11-22
Dzierzynski, Paul M.
Radiant energy
Invisible radiation responsive nonelectric signalling
Luminescent device
2504861, G03C 146
Patent
active
053671724
ABSTRACT:
A pair of intensifying screens for use in high resolution radiography comprises a front screen comprising a phosphor with a density of no more than 5.5 g/cm.sup.3 and a back screen comprising a phosphor with a density of at least 6.0 g/cm.sup.3.
REFERENCES:
patent: 4710637 (1987-12-01), Luckey et al.
patent: 4800136 (1989-01-01), Arakawa et al.
patent: 5070248 (1991-12-01), Pesce
patent: 5108881 (1992-04-01), Dickerson et al.
patent: 5216252 (1993-06-01), Boone et al.
Beutel Jacob
Issler Sandra L.
Mickewich Daniel J.
Dzierzynski Paul M.
E. I. Du Pont de Nemours and Company
Hanig Richard
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