Patent ID: 9637647
Date: 2017-05-02
CPC Classifications: B05D,C08G,C08K,C09D,H01B,H05K

Claim:
1. A polymer thick film copper conductor composition comprising: (a) 60 to 95 wt % copper powder possessing particles with an average particle size of 0.2 to 10 μm and a surface area/mass ratio in the range of 0.2 to 3.0 m (b) 4 to 35 wt % organic medium comprising (c) 0.25 to 2 wt % reducing agent comprising an alcohol with no base properties; and (d) 0.0 to 2 wt % viscosity stabilizing agent comprising a carboxylic acid containing compound; wherein the wt % are based on the total weight of the polymer thick film copper conductor composition.