Method for manufacturing color selection electrode structure...

Details Method for manufacturing color selection electrode structure... Method for manufacturing color selection electrode structure...

2005-02-01

2005-02-01

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

With testing or adjusting

C445S035000, C445S036000, C445S037000, C445S047000, C445S064000, C073S862381, C073S862391, C073S862451, C073S862621

Reexamination Certificate

active

06848960

ABSTRACT:
To provide a method for manufacturing a color selection electrode structure easily capable of measuring a tension amount of the color selection electrode in the process for manufacturing the color selection electrode structure and a color cathode ray tube using the color selection electrode structure. The color selection electrode is stretched with tension applied in the direction of the shorter axis thereof, and welded and fixed onto the top face that is curved inwardly in the direction of the longer axis of the longer side members. Thereafter, the weight is placed on the color selection electrode so as to allow the color selection electrode to deflect by the load due to the mass of the weight. The deflection amount of the color selection electrode may be measured by using a laser displacement meter and the measured deflection amount of the measured color selection electrode is converted into the tension amount by the correlation graph. Thus, even if shock is applied from the outside, a color cathode ray tube without defects of color misalignment can be obtained.

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