Title:
ALUMINUM SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2017/145751
Kind Code:
A1
Abstract:
This aluminum substrate for a magnetic recording medium is provided with: an aluminum substrate; an anodic oxide film which is formed on the aluminum substrate and which has a thickness of 7-25 µm; an organic-inorganic hybrid silica film which is formed on the anodic oxide film; and an inorganic silica film which is formed on the organic-inorganic hybrid silica film, wherein at least a part of a porous portion of the anodic oxide film is filled with organic-inorganic hybrid silica.
Inventors:
SUZUKI TETSUO
TAKADA SATORU
TAKADA SATORU
Application Number:
PCT/JP2017/004501
Publication Date:
August 31, 2017
Filing Date:
February 08, 2017
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C25D11/18; G11B5/73; G11B5/84
Foreign References:
| JP2013020670A | 2013-01-31 | |||
| JPH0273520A | 1990-03-13 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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