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Characteristics of high-contrast bromide-sodalite storage displays with selective erasure

Characteristics of high-contrast bromide-sodalite storage displays with selective erasure

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For interactive computer graphics, high-contrast storage displays with selective erasure are desirable. In this letter, a high-contrast storage display is proposed, using a bromide-sodalite phosphor in the thermal-erase mode. In this mode, the writing area is coloured completely, and visual images are obtained by selective thermal erasure of the coloured area using the electron beam at a higher excitation level. Selective diagram erasure is obtained by recolouring the required written areas on the display diagram.

References

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      • Forrester, P.A., Marshall, D.J., McLaughlan, S.D., Taylor, M.J.: `Colour centres in sodalites for storage displays', Symposium on optic-electronic signal-processing techniques, September 1969, Norway.
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      • P.M. Heyman , I. Gorag , B. Faughman . High contrast thermal-erase cathodochromic sodalite storage-display tubes. IEEE Trans. , 685 - 691
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