Crt tension mask support structure

Details Crt tension mask support structure Crt tension mask support structure

H - Electricity

01

J

313/35.165

H01J 29/81 (2006.01) H01J 29/07 (2006.01)

Patent

CA 1278019

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. The assembly includes a shadow mask support structure for securing a shadow mask in tension on the structure and spacing the shadow mask from the screen. The support structure is provided by a support assembly including an inverted channel member to facilitate securing the shadow mask to the support structure. A stiffening core is secured within the channel member. A rigid bar may be secured to the top of the channel member for securing the shadow mask thereto.

554482

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