C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
358/31
C09K 11/77 (2006.01) G21K 4/00 (2006.01)
Patent
CA 1040323
Abstract Luminescent screen, in particular X-ray image intensifier screen, provided with a luminescent alkaline earth metal fluoro-halide which is activated by Eu2+, contains samarium and has a composition defined by the formula Me1-p-qEupSmqFX, where Me represents barium and/or strontium and X represents chlorine, bromine and/or iodine. Up to 20 mol % of the Ba and/or Sr can be replaced by Ca. Furthermore 0.001?p?0.20; 0.0001?q?0.10; 0.02?q/p?0.50.
236504
Schrama de Pauw Agnes D. M.
Stevels Albert L. N.
N.v. Philips Gloeilampenfabrieken
Na
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