Method for making metallic patterns

Details Method for making metallic patterns Method for making metallic patterns

G - Physics

03

F

356/12, 96/252

G03F 7/038 (2006.01) G03F 7/00 (2006.01) H05K 1/09 (2006.01) H05K 3/06 (2006.01)

Patent

CA 2028386

K-17800/=/MA 1977 Abstract of the Disclosure Method for making metallic patterns 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.

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