ELECTROLYTIC COPPER FOIL WITH CARRIER FOIL AND ITS PRODUCING METHOD, AND COPPER CLAD LAMINATED BOARD USING ELECTROLYTIC COPPER FOIL WITH CARRIER FOIL

摘要

PROBLEM TO BE SOLVED: To provide a product and a producing method with which the separating strength of a carrier foil is further stabilized after press-working an electrolytic copper foil with the carrier foil using organic agent on a joined boundary layer.

SOLUTION: In the electrolytic copper foil with the carrier foil provided with the joint boundary layer 2 at the one side surface of the carrier foil C and provided with the electrolytic copper foil layer CF on this joint boundary layer 2, the layer 2 is formed by using solution containing carboxybenzotriazole and the polymer of methylbenzotriazole and MBTA polymer contained in layer 2 is 2.0-60.0wt%.

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