Cathode-ray tube with misalignment correcting tension band

Details Cathode-ray tube with misalignment correcting tension band Cathode-ray tube with misalignment correcting tension band

H - Electricity

01

J

313/35.5

H01J 29/87 (2006.01)

Patent

CA 1256483

ABSTRACT OF THE DISCLOSURE A cathode-ray tube having an explosion-proof band shrink fitted on the periphery of the panel thereof and having recesses formed so as to adjust the effective sectional area of the explosion-proof band to a value appropriate for correcting the strain of the panel caused by the evacuation of the tube body of the cathode-ray tube. The size of the recesses is determined on the basis of a misalignment correction estimated theoretically by using measured data of deformation of the panel, so that the deformation of the panel surface is corrected appropriately, and thereby misalignment of electron beams is minimized.

502733

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