One dimensional tension mask-frame assembly for CRT

Details One dimensional tension mask-frame assembly for CRT One dimensional tension mask-frame assembly for CRT

1994-05-06

1996-09-10

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313407, H01J 2980

Patent

active

055549098

ABSTRACT:
A one-dimensional tension mask-frame assembly for a color cathode ray tube includes a rectangular frame whose top and bottom members each have inwardly flexed upstanding portions with a spring constant, and a rectangular mask secured to the frame along the free edges of the upstanding frame portions, the frame portions maintaining the mask in a state of tension during thermal expansion of the mask. The assembly is useful in color display applications such as T.V.

REFERENCES:
patent: 3638063 (1972-01-01), Tachikawa et al.
patent: 4327307 (1982-04-01), Penird
patent: 4333034 (1982-06-01), Ohgoshi et al.
patent: 4806820 (1989-02-01), Berner
patent: 5041756 (1991-08-01), Fairbanks
patent: 5113111 (1992-05-01), Fairbanks
patent: 5214349 (1993-05-01), Sakata et al.

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