H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/35.165
H01J 29/07 (2006.01) H01J 9/227 (2006.01) H01J 29/86 (2006.01)
Patent
CA 1270035
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 target surrounded by a peripheral sealing area adapted to mate with a funnel. A separate metal faceplate frame is secured to the inner surface of the faceplate between the sealing area and the target. The separate metal frame according to the invention supports a welded-on tension foil shadow mask a predetermined distance from the inner surface of the faceplate. The separate faceplate-mounted metal frame may have according to the invention a plurality of slurry-passing structures contiguous to the inner surface of the faceplate for pasting any surplusage of slurry during the radial-flow slurry- deposition process used in screening the faceplate. Various configurative embodiments of the faceplate-mounted metal frame according to the invention are also disclosed.
530124
Macrae & Co.
Zenith Electronics Corporation
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