Phosphor film composition having sensitivity in the red for use

Details Phosphor film composition having sensitivity in the red for use Phosphor film composition having sensitivity in the red for use

1996-06-17

1997-05-13

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Luminescent imaging

430944, 430503, 428690, 250330, 2504752, 2504842, 2504861, 2504844, 2523014R, 2523014S, G03C 1725

Patent

active

056291264

ABSTRACT:
A composition for use in constructing a photosensitive film for recording an image. The composition includes first, second, and third particle types, each the particle type including a crystalline base material having a trap dopant and a color dopant deposited therein. Each of the color dopants has a different spectral sensitivity. One of the particle types is sensitive to light in the red portion of the visible spectrum. This particle type includes a crystalline base material including an alkaline earth sulfide or selenide doped with Yb.sup.+2.

REFERENCES:
patent: 3801702 (1974-04-01), Donohue
patent: 5065023 (1991-11-01), Lindmayer
patent: 5208464 (1993-05-01), O'Conner et al.
patent: 5496597 (1996-05-01), Soininen et al.
Lehmann, Willi; "Activators and Co-Activators in Calcium Sulfide Phosphors" Journal of Luminescence vol. 5, 1972, pp. 87-107.
Hunt, R.W.G., "The Reproduction of Colour", Fifth Addition, Fountain Press, Kingston-upon-Thames, England, 1995, pp. 38-41.

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