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公开(公告)号：US20200332431A1
公开(公告)日：2020-10-22
申请号：US16762587
申请日：2018-11-09
Applicant: NAMICS CORPORATION
Inventor： Makiko SATO , Osamu SUZUKI , Naoki OBATA , Yoshinobu KOKAJI
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.
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