Method of manufacturing shadow mask

Details Method of manufacturing shadow mask Method of manufacturing shadow mask

1985-03-21

1986-04-29

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156640, 1566591, 156664, 252 792, C23F 102, B44C 122, C03C 1500, C03C 2506

Patent

active

045855188

ABSTRACT:
A method of manufacturing a shadow mask having apertures of precise shape and size, comprises the steps of forming an etching-protective film having a pattern of a number of apertures on a surface of a thin metal plate containing iron and nickel as major components, and etching the thin metal plate using an etching solution with a viscosity of 1 to 5 centipoise (cP) so as to form a number of apertures therein.

REFERENCES:
patent: 4021279 (1977-05-01), Hirs
patent: 4420366 (1983-12-01), Oka et al.
patent: 4472236 (1984-09-01), Tanaka et al.

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