Process for manufacturing a shadow mask made of an iron/nickel a

Details Process for manufacturing a shadow mask made of an iron/nickel a Process for manufacturing a shadow mask made of an iron/nickel a

1995-12-22

1997-07-01

Rosasco, S.

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Radiation mask

430 23, 445 36, G03F 900

Patent

active

056436971

ABSTRACT:
Shadow mask and process for manufacturing a shadow mask made of an iron
ickel alloy in which: a foil perforated with holes is provided, the foil is subjected to a heat treatment in order to obtain grains whose size, as defined by the ASTM standard, is greater than or equal to ASTM 7, the foil is formed in order to give it the shape of a shadow mask.

REFERENCES:
patent: 5308723 (1994-05-01), Inoue et al.
patent: 5532088 (1996-07-01), Teshima et al.

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