Method for producing a shadow mask for a color cathode ray tube

Details Method for producing a shadow mask for a color cathode ray tube Method for producing a shadow mask for a color cathode ray tube

1985-11-12

1987-07-28

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

445 47, H01F 102

Patent

active

046830138

ABSTRACT:
In production of a shadow mask for a color cathode ray tube from spinodal decomposition type magnet alloys, application of two staged agings before shaping successfully avoids thermal deformation of the product.

REFERENCES:
patent: 4093477 (1978-06-01), Iwata et al.
patent: 4194932 (1980-03-01), Iwata
patent: 4263044 (1981-04-01), Inoue

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