Combination of photosensitive elements for use in radiography

Details Combination of photosensitive elements for use in radiography Combination of photosensitive elements for use in radiography

1989-07-11

1990-12-18

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Luminescent imaging

430503, 430966, 430967, 378185, 378175, 2504831, 2504861, G03C 184, G03C 192

Patent

active

049785990

ABSTRACT:
Combination of photosensitive elements for use in radiography consisting of a pair of radiographic fluorescent screens and a double-side coated silver halide radiographic element. Each screen is arranged adjacent to each silver halide layer and each screen is capable of imagewise emitting radiation to which the adjacent silver halide layer is sensitive when imagewise exposed to X radiation. The combination is characterized in that one fluorescent screen emits a first radiation in a first wavelength region of the electromagnetic spectrum and the other fluorescent screen emits a second radiation in a second wavelength region of the electromagnetic spectrum, and each silver halide layer is substantially insensitive to the radiation emitted by the opposite screen.

REFERENCES:
patent: 3923515 (1975-12-01), van Stappen
patent: 4513078 (1985-04-01), Sandrik et al.
patent: 4639411 (1987-01-01), Daubendiek et al.
patent: 4803150 (1989-02-01), Dickerson et al.

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