C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/106, 117/22
C09K 11/67 (2006.01) C09K 11/77 (2006.01) G21K 4/00 (2006.01)
Patent
CA 2008542
-0- X-RAY INTENSIFYING SCREEN, PHOSPHOR COMPOSITION, AND PROCESS OF PHOSPHOR PREPARATION Abstract of the Disclosure An intensifying screen for producing a latent image in a silver halide radiographic element when imagewise exposed to X-radiation is disclosed. The screen contains a phosphor having a hafnia host containing zirconia in concentrations higher than those found in optical grade hafnia. The phosphor can include as an activator one or a combination of titanium, rare earth, and alkali metal ions. Phosphor preparation processes are also disclosed.
Bryan Philip S.
Jarrold Gregory S.
Lambert Patrick M.
Towers Christine M.
Bryan Philip S.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
Jarrold Gregory S.
Lambert Patrick M.
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