CRI funnel with concave diagonals

Details CRI funnel with concave diagonals CRI funnel with concave diagonals

1992-04-21

1993-11-02

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Envelope

220 21A, 220 23A, H01J 2986

Patent

active

052586880

ABSTRACT:
A CRT funnel, especially useful for CRTs having flat face panels, has concave diagonal walls sections to reduce discontinuity stresses between the face panel and funnel in the evacuated CRT envelope, thereby increasing the CRT pressure strength.

REFERENCES:
patent: 2764810 (1956-10-01), Gardiner
patent: 3591035 (1971-07-01), Gossie et al.
patent: 3720345 (1973-03-01), Logue

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