Color cathode ray tube

Details Color cathode ray tube Color cathode ray tube

1994-12-20

1996-06-11

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313403, 313407, 313408, H01J 2980

Patent

active

055258590

ABSTRACT:
A color cathode ray tube having an electron beam source has a glass panel with a plurality of fluorescent stripes and a plurality of black stripes located between each two adjacent fluorescent stripes. An aperture grill is located between the electron beam source and the glass panel. A plurality of parallel grill tapes are located between an upper part and a lower part of the aperture grill, and a plurality of slits are provided between each two adjacent grill tapes. The inside stress of a center grill tape is expressed by .alpha., the length of the grill tape at a center of the aperture grill is expressed by L.sub.0, and a grill tape pitch of the aperture grill is expressed by P.sub.ag. The inside stress is expressed by the following formula:

REFERENCES:
patent: 4504764 (1985-03-01), Sakamoto et al.
patent: 5111107 (1992-05-01), Kume et al.
patent: 5382871 (1995-01-01), Funahashi
patent: 5394051 (1995-02-01), Lerner

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