CPC C25D 1/04 (2013.01) [H05K 1/0298 (2013.01); H05K 3/022 (2013.01)] | 9 Claims |
1. A surface-treated copper foil, comprising:
a bulk copper foil, comprising a first surface; and
a first surface treatment layer, disposed on the first surface and comprising a roughening layer, wherein an outermost surface of the first surface treatment layer is a treating surface of the surface-treated copper foil, the material volume (Vm) of the treating surface is in a range of 0.06 to 1.45 μm3/μm2, and the five-point peak height (S5p) of the treating surface is in a range of 0.15 to 2.00 μm.
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