Tension shadow mask support structure composed of sheet metal

Details Tension shadow mask support structure composed of sheet metal Tension shadow mask support structure composed of sheet metal

H - Electricity

01

J

313/35.165

H01J 29/07 (2006.01) H01J 29/86 (2006.01)

Patent

CA 1268517

5352 ABSTRACT OF THE DISCLOSURE A front assembly for a color cathode ray tube includes a faceplate having on its inner surface a centrally disposed phosphor screen. The assembly according to the invention comprises in one embodiment a shadow mask support structure composed of sheet metal secured to the inner surface of the faceplate on opposed sides of the screen, and a foil shadow mask secured in tension on the structure. Other embodiments of the invention comprise shadow mask support structures having in cross-section the shape of an inverted "V", and the shapes of a a hollow tube, a rectangle, and a tooth.

530027

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