Mask-frame assembly and method of manufacturing the same

Details Mask-frame assembly and method of manufacturing the same Mask-frame assembly and method of manufacturing the same

1988-01-25

1989-02-21

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313407, 445 37, H01J 2907

Patent

active

048068209

ABSTRACT:
The invention relates to a mask-frame assembly for use as a color-selecting-electrode system in a color-television tube. The structure features of the mask allow for a simplified method of manufacturing such an assembly. The mask and frame are subjected to a common surface treatment in accordance with a particular temperature program after joining them together at given points by spot welding.

REFERENCES:
patent: 3351996 (1967-11-01), Fiore
patent: 3368098 (1968-02-01), Denny
patent: 4099086 (1978-07-01), Roder et al.
patent: 4308485 (1981-12-01), Ignazio

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