Cathode ray tube having improved shadow mask

Details Cathode ray tube having improved shadow mask Cathode ray tube having improved shadow mask

H - Electricity

01

J

313/35.16

H01J 29/07 (2006.01)

Patent

CA 1088987

CATHODE RAY TUBE HAVING IMPROVED SHADOW MASK Abstract A shadow mask type of cathode ray tube, wherein the mask has a plurality of slit-shaped apertures therethrough aligned in columns, is improved by parallel corrugation of the mask. The peak-to-peak wavelength dimension of the corrugations is at least twice as great as the spacing between adjacent aperture columns.

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