Process for making a metal foil and pressure printing screen

Details Process for making a metal foil and pressure printing screen Process for making a metal foil and pressure printing screen

C - Chemistry, Metallurgy

25

D

96/252, 101/49

C25D 1/08 (2006.01) C25D 1/20 (2006.01) G03F 7/00 (2006.01) G03F 7/12 (2006.01)

Patent

CA 1104869

ABSTRACT OF THE DISCLOSURE The present invention provides a process for producing a performation-pattern metal foil, preferably a stencil for screen-printing, which comprises the steps of: applying a photo- resist layer to a metal substrate; exposing said photoresist layer through a dot pattern; developing the exposed photoresist layer to leave the bodies of the photoresist material on said substrate corresponding to the perforations to be formed in said foil; swelling said bodies; and galvanically depositing metal on said substrate between said bodies to produce a perforated screen.

274905

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