Copper conductor paste and production method of copper conductor

Details Copper conductor paste and production method of copper conductor Copper conductor paste and production method of copper conductor

1998-02-24

1999-11-02

Beck, Shrive

Coating processes

With post-treatment of coating or coating material

Heating or drying

427123, 427380, B05D 302

Patent

active

059766280

ABSTRACT:
A conductor paste comprising a high-polymer composite obtained by dispersing super-fine-granulated copper oxide in a polymer without being aggregated, mixed copper powders mainly composed of a base copper powder having a mean particle size of 1 to 10 .mu.m added with at least one kind of an auxiliary copper powder having a mean particle size smaller than that of the base copper powder, and an organic solvent, wherein the weight ratio of the mixed copper powders to copper oxide in the high-polymer composite is 5 to 50 to 1 of copper oxide and the total amount of copper oxide and the mixed copper powders is 50 to 90% by weight of the conductor paste, and a production method a conductor film by coating the conductor paste on the surface of a substrate and after pre-burning the conductor paste under temperature raising, burning the conductor paste to form the conductor film on the substrate.

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