Method for Increasing the Conductivity of Silver-Doped Polyimides

Recently there have been a number of com-munications describing the doping of po~y~mic acids with electropositive metal salts.-'--The metal cation is reduced to the metal during a cure cycle to obtain metal doped polyimide films. The authors found substantial increases in conductivity as compared to undoped polyimide films. In some cases palladium mirrors formed on the polymer surface. Although most of their work involved palladium salts, they pointed out that other metal salts could be used. We report an improved processing method which has allowed us to form both silver mirrors and/or thin film silver conductors usin