Cathode ray tube and method of manufacture

Details Cathode ray tube and method of manufacture Cathode ray tube and method of manufacture

1985-12-09

1987-11-03

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 37, H01J 900

Patent

active

047040947

ABSTRACT:
A high performance color cathode ray tube is manufactured by welding a shadow mask under very high tension to a metal ring brazed to the tube envelope. The shadow mask material has a high yield strength and a thermal coefficient of expansion near that of the ceramic ring portion of the envelope to which it is secured.

REFERENCES:
patent: 2842696 (1958-07-01), Fischer-Colbrie
patent: 3894321 (1975-07-01), Moore
patent: 3947933 (1976-04-01), Banks
patent: 4069567 (1978-01-01), Schwartz
patent: 4547695 (1985-10-01), Rath
patent: 4605879 (1986-08-01), Rath

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