| abstract |
AN ORGANIC RUST-PROOF TREATED COPPER FOIL CHARACTERIZED IN THAT IT HAS A METALLIC RUST-PROOF LAYER FORMED ON THE NON-ADHESIVE SIDE OF THE ORIGINAL COPPER FOIL AND HAS AN ORGANIC RUST-PROOF LAYER FORMED ON SAID METALLIC RUST-PROOF LAYER, THE ORGANIC RUST-PROOF LAYER COMPRISING A MIXTURE OF AT LEAST TWO KINDS OF CHEMICALS SELECTED FROM THE GROUP CONSISTING OF BENZOTRIAZOLE, ITS DERIVATIVES, AMINOTRIAZOLE AND ITS ISOMERS AND DERIVATIVES IS PROVIDED WITH ON SAID METALLIC RUST-PROOF LAYER, OR IT FURTHER HAS A CHROMATE-TREATED LAYER FORMED BETWEEN SAID METALLIC RUST-PROOF LAYER AND SAID ORGANIC RUST-PROOF LAYER. |