| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolled copper foil which is excellent in both etching property and flexibility and suitably used for a flexible printed circuit (FPC) and the like.SOLUTION: A rolled copper foil containing, by mass, 99.9% or more copper satisfies 2.0≤I{112}/I{100}≤5.5, wherein I{112} denotes a calculated X-ray diffraction intensity from a {112} plane in a surface perpendicular to a rolling direction (RD) and I{100} denotes a calculated X-ray diffraction intensity from a {100} plane. |
