Color cathode ray tube

Details Color cathode ray tube Color cathode ray tube

2006-04-18

2006-04-18

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

C313S402000

Reexamination Certificate

active

07030547

ABSTRACT:
A color cathode ray tube has stress-absorbing hole patterns in skirt portions of its color selection electrode. Each of the stress-absorbing hole patterns is composed of a plurality of columns of rectangular through holes, and the columns are arranged in a lengthwise direction of the skirt portions. Each of the plurality of columns of rectangular through holes is composed of rectangular through holes arranged in a widthwise direction of the skirt portions. The relationships in shape of the rectangular through holes among outermost columns, columns next to the outermost columns, and remaining columns is optimized in the stress-absorbing hole patterns.

REFERENCES:
patent: 4942333 (1990-07-01), Knox
patent: 6552481 (2003-04-01), Furusawa et al.
patent: 08298078 (1996-11-01), None
patent: 2002025457 (2002-01-01), None
patent: 2003036799 (2003-02-01), None

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