H - Electricity – 01 – J
Patent
H - Electricity
01
J
31/106
H01J 1/62 (2006.01) C09K 11/02 (2006.01) C09K 11/08 (2006.01) G03C 5/17 (2006.01) G21K 4/00 (2006.01) H01J 29/18 (2006.01)
Patent
CA 1116389
Abstract of the Disclosure An X-ray image intensifying screen is a described com- prising halide-containing phosphor particles. In order to improve the stability to moisture and thus to protect against loss of fluorescence power the phosphor particles are admixed with, combined with or have reacted with one or more organic substances that are capable of reacting with hydrogen chloride and/or labile halogen. The stability is further improved by admixture of non- hygroscopic halide-free phosphor particles is such a ratio that the ratio of the intensification factor of said screen with respect to the intensification factor of said screen but containing no such halide-free phos- phor particles is not smaller than 1:4.
306726
Landeghem Willy K. Van
Suys Andre R.
Agfa-Gevaert Naamloze Vennootschap
Borden Ladner Gervais Llp
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