Front assembly for a tension mask color cathode ray tube having

Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield

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Details

313402, 445 30, H01J 2907

Patent

active

048915467

ABSTRACT:
A front assembly is disclosed for a tension mask color cathode ray tube. The assembly comprises a faceplate having a tensed foil shadow mask supported by mask support means, and means for shielding the faceplate from a high-energy beam used to trim waste material from the mask following its attachment to the mask support means.

REFERENCES:
patent: 4686416 (1987-08-01), Dougherty et al.
patent: 4695761 (1987-09-01), Fendley
patent: 4804881 (1989-02-01), Strauss

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