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A transparent thin-film CRT screen of Y2O3: Eu with contrast-enhancement layer

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5 Author(s)
R. W. Young ; Thorn EMI Central Research Laboratories, Hayes, Middlesex, England ; B. J. Green ; G. H. Camp ; I. G. Gibb
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Magnetron sputtering has been used to deposit thin films of Y2O3: Eu, which achieve a cathodoluminescent efficiency of 2 lm/W when activated, while retaining a high-resolution capability of ∼250 line pairs/mm and good optical transparency. A wide-band antireflection/high-absorption coating using silicon-oxygen material of varying composition has also been developed for use with these phosphor screens for contrast enhancement. A comparison of the performances of these thin-film screens with conventional settled screens is given.

Published in:

IEEE Transactions on Electron Devices  (Volume:33 ,  Issue: 8 )