Title:
OBJECT HAVING ROUGHENING-TREATED COPPER SURFACE
Document Type and Number:
WIPO Patent Application WO/2019/093077
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an object having a roughening-treated copper surface. As one embodiment, there is provided an object having a surface covered by copper that has a thickness of 6 nm or greater, wherein the object has convex parts on at least a portion of a copper surface, the surface of the convex parts contains a copper oxide, the interior of the convex parts contains copper, the convex parts having a height of 50 nm or greater are present in an amount of 5 or more per 3.8 µm, the average length of the convex parts is 500 nm or less, and the content ratio of Cu/O at a depth of 6 nm (in terms of SiO2) is 5 or less.
Inventors:
SATO MAKIKO (JP)
SUZUKI OSAMU (JP)
SUZUKI OSAMU (JP)
Application Number:
PCT/JP2018/038434
Publication Date:
May 16, 2019
Filing Date:
October 16, 2018
Export Citation:
Assignee:
NAMICS CORP (JP)
International Classes:
H05K3/38; C23F1/00; H01M4/66; H01M4/70; H05K1/03
Domestic Patent References:
| WO2017150043A1 | 2017-09-08 |
Foreign References:
| JPH0738254A | 1995-02-07 | |||
| JP2017092152A | 2017-05-25 |
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
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