ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK
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United States of America Patent
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app pub date -
Oct 30, 2015
filing date -
Oct 31, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An aluminum alloy substrate for a magnetic disk includes 0.5 mass % or more and 24.0 mass % or less of Si, 0.01 mass % or more and 3.00 mass % or less of Fe, and the balance of Al and unavoidable impurities. The aluminum alloy substrate for a magnetic disk includes a smooth plated surface and has high rigidity.
First Claim
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| CN | B | CN107109543 | Oct 30, 2015 |
| JP | B2 | JP6014785 | Oct 30, 2015 |
| MY | A | MY182369 | Oct 30, 2015 |
| WO | A1 | WO2016068293 | Oct 30, 2015 |
International Classification(s)
- 2015 Application Filing Year
- G11B Class
- 2174 Applications Filed
- 1930 Patents Issued To-Date
- 88.78 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 21 Citation Count
- G11B Class
- 96.40 % this patent is cited more than
- 8 Age