Method for pre-stressing CRT tension mask material

Details Method for pre-stressing CRT tension mask material Method for pre-stressing CRT tension mask material

1995-06-26

1996-04-23

Bradley, P. Austin

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 47, 29448, H01J 914

Patent

active

055098428

ABSTRACT:
The present invention relates to a method for pre-stressing the CRT tension mask 24 to induce creep. The method includes the steps of applying a suitable force to the mask material to induce stress therein, heating the mask material to an ultimate temperature, for a sufficient time, while under stress, to induce creep, and cooling the material.

REFERENCES:
patent: 3638063 (1972-01-01), Tachikawa
patent: 4756702 (1988-07-01), Steiner
patent: 4887988 (1989-12-01), Canevazzi et al.
patent: 4894037 (1990-01-01), Fendley et al.
patent: 5045010 (1991-09-01), Fairbanks
patent: 5111107 (1992-05-01), Kume et al.
patent: 5127866 (1992-07-01), Adler et al.

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