PROBLEM TO BE SOLVED: To provide a copper foil composite capable of reducing generation of a cutting flaw on a cut face and capable of enhancing workability.SOLUTION: This steel foil composite includes a copper foil or a copper alloy foil, and a resin layer provided on one face of the steel foil or the copper alloy foil, the copper foil or the copper alloy foil has 2 &mum or more to 10 &mum or less of thickness, and 250 MP or less of tensile strength, and the resin layer has 10 &mum or more of thickness, and 200 MP or more of tensile strength.COPYRIGHT: (C)2011,JPO&INPIT【課題】切断面の切傷性を低下させるとともに加工性を向上させた銅箔複合体を提供する。【解決手段】銅箔又は銅合金箔と、該銅箔又は銅合金箔の片面に設けられた樹脂層とを有する銅箔複合体であって、銅箔又は銅合金箔の厚さが2μm以上10μm未満で、かつ引張強度が250MPa以下であり、樹脂層の厚さが10μm以上で、かつ引張強度が200MPa以上である。【選択図】 なし
