Radiographic intensifying screen

Details Radiographic intensifying screen Radiographic intensifying screen

1984-06-06

1986-10-21

Hoffman, James R.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

G01J 158, G01N 2164, G01T 100

Patent

active

046187782

ABSTRACT:
A radiographic intensifying screen comprising a support, a phosphor layer which comprises a binder and a phosphor dispersed therein, and a light-reflecting layer provided between the support and the phosphor layer which contains a white pigment, characterized in that said white pigment comprises alkaline earth metal fluorohalide represented by the formula M.sup.II FX, in which M.sup.II is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; and X is at least one halogen selected from the group consisting of Cl and Br.

REFERENCES:
patent: 4239968 (1980-12-01), Kotera et al.
patent: 4259588 (1981-03-01), Luckey et al.
patent: 4261854 (1981-04-01), Kotera et al.
patent: 4380702 (1983-04-01), Takahashi et al.

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