Cathode ray tube apparatus

H - Electricity – 01 – J

Patent

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313/4, 88/57

H01J 29/00 (2006.01) H01J 29/18 (2006.01) H01J 29/86 (2006.01) H01J 29/89 (2006.01)

Patent

CA 1204142

ABSTRACT OF THE DISCLOSURE A cathode ray tube apparatus having a glass panel in front of the phosphor screen made of a material which has an X-ray absorption coefficient larger than that of the backing on which the phosphor layer is applied. The two panels are separated by means of a spacer and a liquid coolant is incorporated into the space between the panels to enhance the heat radiation effect of the phosphor surface and to avoid the radiation of X-rays.

422881

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