Method for making metallic patterns

Details Method for making metallic patterns Method for making metallic patterns

1990-10-22

1992-05-12

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156656, 156902, 156668, 156652, 430318, 430329, B44C 122, C23F 102

Patent

active

051124408

ABSTRACT:
The present invention provides a method for making a metallic pattern on a substrate having a surface comprising bare metal in predetermined areas and metal coated by a resist in remaining areas which comprises (i) protecting the bare metal by coating with a film-forming resin, (ii) removing any film-forming resin from the resist, (iii) removing the resist from said remaining areas using a solvent which will not remove the film-forming resin, thereby exposing metal in said remaining areas, (iv) etching the metal exposed in (iii) using an etchant which does not remove the film-forming resin and (v) removing the film-forming resin with a suitable solvent.

REFERENCES:
patent: 4746399 (1988-05-01), Demmer et al.

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