CRT bulb having a front panel with a higher CTE than its funnel

Details CRT bulb having a front panel with a higher CTE than its funnel CRT bulb having a front panel with a higher CTE than its funnel

1992-12-21

1994-10-11

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313480, 220 23A, H01J 3100

Patent

active

053550510

ABSTRACT:
A CRT bulb is constructed from a front panel having a higher coefficient of thermal expansion than the funnel section to which it is rigidly attached, thereby favorably stressing the bulb in the funnel-to-panel seal area resulting in a bulb with adequate evacuated strength while utilizing a thinner front panel than otherwise possible.

REFERENCES:
patent: 4614892 (1986-09-01), Palac
patent: 4678447 (1987-07-01), Prazak, III
patent: 4792722 (1988-12-01), Francis
patent: 5108960 (1992-04-01), Boek et al.
patent: 5248914 (1993-09-01), Capek et al.

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