Mask-frame assembly and method of manufacturing the same

H - Electricity – 01 – J

Patent

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Details

316/12, 313/35.1

H01J 29/07 (2006.01) H01J 9/18 (2006.01)

Patent

CA 1195371

Abstract of the Disclosure The invention relates to a mask-frame assembly for use as a color-selecting-electrode system in a color-television tube. The structural features of the mask allow for a simplified method of manufacturing such an assembly. The mask and frame are subjected to a common surface treatment in accordance with a particular temperature program after joining them together at given points by spot welding.

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