Patent ID: 6071629
Filing Date: 2000-06-06
Classification: C23C,C23F,H05K,Y10T

Abstract:
An organic rust-proof treated copper foil, said organic rust-proof treated copper foil having a face to be adhered and an opposite face, wherein prior to adhering said organic rust-proof treated copper foil said organic rust-proof treated copper foil includes a zinc or zinc alloy rust-proof layer formed on said opposite face of said copper foil and further has an organic resin spot prevention layer formed on said zinc or zinc alloy rust-proof layer, said organic resin spot prevention layer effective to prevent resin-spots, said organic resin spot prevention layer comprising a mixture of at least one member selected from the group consisting of benzotriazole and derivatives of benzotriazole, and at least one member selected from the group consisting of aminotriazole, isomers of aminotriazole, and derivatives of aminotriazole.