Color cathode-ray tube having substantially flat face and rear p

Details Color cathode-ray tube having substantially flat face and rear p Color cathode-ray tube having substantially flat face and rear p

1994-07-12

1997-02-18

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313402, H01J 2902, H01J 3120

Patent

active

056043953

ABSTRACT:
A color cathode-ray tube with a vacuum envelope that includes a rectangular, flat face plate and a rectangular, flat rear plate opposing the face plate. A phosphor screen is formed on an inner surface of the face plate, and fixing members are fixed to an inner surface of the rear plate. A shadow mask arranged in the envelope is supported by mask support members to face the phosphor screen at a predetermined distance. Plate support members are arranged in the envelope to support a load of atmospheric pressure acting on the face plate and the rear plate. The mask support members and the plate support members are fixed to the fixing members while being in close contact with the inner surface of the rear plate.

REFERENCES:
patent: 3071706 (1963-01-01), Waldorf
patent: 4900981 (1990-02-01), Yamazaki et al.

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