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Title:
ALUMINUM MEMBER AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2023/203910
Kind Code:
A1
Abstract:
This aluminum member (1) is provided with: a base material (10) formed from aluminum or an aluminum alloy; and an anodic oxide film (20) including a barrier layer (21) that comes into contact with a surface of the base material (10), a first porous layer (22) that is arranged on the side of the barrier layer (21) which is opposite to the base material (10), and a second porous layer (23) that comes into contact with the surface of the first porous layer (22) which is opposite to the barrier layer (21). In the aluminum member (1), a dye compound is incorporated in the anodic oxide film (20), the first porous layer (22) has a plurality of branched holes, and the second porous layer (23) has a plurality of holes that extend linearly in the direction of the lamination of the first porous layer (22) and the second porous layer (23).

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Inventors:
YAMAGUCHI TAKAYUKI (JP)
NISHIKAWA YOSUKE (JP)
Application Number:
PCT/JP2023/008956
Publication Date:
October 26, 2023
Filing Date:
March 09, 2023
Export Citation:
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Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
C25D11/18; C25D11/12; C25D11/16
Domestic Patent References:
WO2001018281A12001-03-15
WO2022085548A12022-04-28
Foreign References:
JPS54124841A1979-09-28
JP2002505715A2002-02-19
JP2017075383A2017-04-20
JPS5199641A1976-09-02
JP2018531325A2018-10-25
US20160312374A12016-10-27
US20220312613A12022-09-29
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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