X-Ray intensifying screens

Details X-Ray intensifying screens X-Ray intensifying screens

1977-07-26

1978-08-22

Smith, Alfred E.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

2523014H, 2523014S, G01J 158

Patent

active

041091523

ABSTRACT:
An X-ray intensifying screen having a high speed and capable of providing good image quality superior in sharpness, granularity and contrast comprising a support having formed thereon a fluorescent layer composed of a complex halide phosphor represented by the composition formula shown below and having further formed on the fluorescent layer another fluorescent layer composed of a calcium tungstate phosphor:

REFERENCES:
patent: 3693006 (1972-09-01), Chenot
patent: 3988252 (1976-10-01), Ferretti
patent: 4011455 (1977-03-01), Waller et al.

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