Composite copper foil
AssigneeNamics Corporation
InventorsMakiko SATO, Osamu SUZUKI, Naoki OBATA, Yoshinobu KOKAJI
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Abstract
[Problem] An object is to provide novel composite copper foils. [Means to solve the problem] A composite copper foil comprises a copper foil and a layer of metal other than copper, the metal layer being formed on at least a part of a surface of the copper foil, wherein at least a part of the composite copper foil has protrusions on a surface thereof, and each protrusion has a height of 10 nm or more but 1000 nm or less in a cross-section of the composite copper foil.
Claims20
A composite copper foil comprising a copper foil and a layer of metal other than copper, the metal layer being formed on at least a part of a surface of the copper foil, wherein at least a part of the composite copper foil has protrusions on a surface thereof, and each protrusion has a height of 10 nm or more but 1000 nm or less in a cross-section of the composite copper foil.
A method of manufacturing a composite copper foil comprising:
- a first step of oxidizing a surface of a copper foil;
- and
- a second step of plating the oxidized surface.
Dependencies are inferred from the claim text.