Radiographic image forming method

Details Radiographic image forming method Radiographic image forming method

1996-11-15

1998-11-10

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Luminescent imaging

430966, G03C 517

Patent

active

058341536

ABSTRACT:
A radiographic image forming method is disclosed. The method comprises the steps of (1) interposing a silver halide photographic material which comprises a support having a silver halide emulsion layer on each of both sides the support and has a cross-over value of not more than 15%, between two sheets of an intensifying screen comprising a support and a fluorescent layer composed of plural fluorescent sub-layers and a protect layer provided on the support in this order from the support, in which the fluorescent sub-layers each comprises a binder and particles of a fluorescent substance having the average particle size R and the standard deviation .sigma. of the particle size distribution satisfying a relation of 0 <.sigma./R.ltoreq.0.5 and the values of R of the particles contained in each of the fluorescent sub-layers are different from each other, (2) imagewise exposing to radiation the intensifying screens and the silver halide photographic light-sensitive material interposed between the intensifying screens, and (3) processing the imagewise exposed light-sensitive material with processing solutions including a developing solution to forming a radiographic image.

REFERENCES:
patent: 4839243 (1989-06-01), Shimizu et al.
patent: 4865944 (1989-09-01), Roberts et al.
patent: 5108881 (1992-04-01), Dickerson et al.

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