High-fineness shadow mask material and process for producing the

Details High-fineness shadow mask material and process for producing the High-fineness shadow mask material and process for producing the

1992-05-29

1993-05-11

Yee, Deborah

Alloys or metallic compositions

Ferrous

Over 10 percent nickel containing

148336, 148621, 148653, C22C 3808

Patent

active

052099008

ABSTRACT:
A high-fineness shadow mask material comprising 33-40% by weight of Ni, 0.0001-0.0015% by weight of one or more of boron, magnesium and titanium, and the remainder consisting essentially of Fe, wherein the contents of sulfur and aluminum are confined to not more than 0.0020% and not more than 0.020% by weight, respectively, and a process for producing the material. The shadow mask material according to this invention is excellent in hot working property and in etching properties.

REFERENCES:
patent: 4904447 (1990-02-01), Hanada
patent: 5002619 (1991-03-01), Tanda et al.
Memoires Et Etudes Scientifiques Revue De Metallurgie, No. 11, Nov. 1, 1990, pp. 689-699.

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