Integrated thermal processing for kinescopes

Details Integrated thermal processing for kinescopes Integrated thermal processing for kinescopes

1989-06-30

1990-05-08

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

65 43, 445 45, H01J 926

Patent

active

049234234

ABSTRACT:
In an integrated thermal processing method the bulb is completely processed in a dedicated oven. The inside and outside of the bulb are simultaneously heated. The inside and outside are also simultaneously cooled. During the evacuation a temperature gradient is maintained across the face of the panel to reduce tensile stresses which develop in the bulb skirt area during evacuation.

REFERENCES:
patent: 2861392 (1958-11-01), Vincent
patent: 3894858 (1975-07-01), Rogers
patent: 4194643 (1980-05-01), Hager et al.
patent: 4498884 (1985-02-01), Stover et al.
patent: 4832645 (1989-05-01), Verhagen

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