Undulating support structure for tension shadow mask

Details Undulating support structure for tension shadow mask Undulating support structure for tension shadow mask

H - Electricity

01

J

313/35.165

H01J 29/07 (2006.01)

Patent

CA 1278018

ABSTRACT OF THE DISCLOSURE An improved front assembly for a color cathode ray tube having a tension foil shadow mask is disclosed. The faceplate of the tube has on its inner surface a centrally disposed phosphor screen surrounded by a peripheral sealing area adapted to mate with a funnel. A shadow mask support structure is secured to the faceplate for securing a shadow mask in tension on the structure and spacing the shadow mask from the screen. The support structure includes an undulated member defining peaks and valleys. The valleys are flattened in a common plane and provide means for securing the support structure to the faceplate. The peaks are flattened in a common plane and provide means for securing the shadow mask to the support structure.

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