Self-supporting or supported phosphor screen or panel

Details Self-supporting or supported phosphor screen or panel Self-supporting or supported phosphor screen or panel

1996-07-29

1997-09-02

Nold, Charles

Stock material or miscellaneous articles

Composite

Of inorganic material

428691, 2504831, 2504842, 25230136, 156 67, 1563071, 1563075, B32B 516, C09K 1102

Patent

active

056630050

ABSTRACT:
A screen, comprising a self-supporting or supported phosphor layer with phosphor particles (PP) dispersed in a polymeric binder (B), said phosphor particles (PP) being present in said binder (B) in a volume ratio PP/B of at least 80/20 is provided wherein the polymeric binder comprises at least one polymer (P) having a T.sub.g .ltoreq.0.degree. C., an average molecular weight (MG.sub.avg) between 5000 and 10.sup.7, being soluble in ethylacetate for at least 5% by weight (% wt/wt) and a self-supporting layer of said polymer P comprising 82% by volume of phosphor particles and having a tickhess so has to comprise 100 mg of phosphor particles per cm.sup.2, has an elongation at break of at least 1%.
The screen or panel shows low screen structure mottle and a very good compromise between speed and resolution.

REFERENCES:
patent: 4608301 (1986-08-01), Ishizuka et al.
patent: 5569530 (1996-10-01), Doomes et al.

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