MY161084A - Aluminium alloy substrate for magnetic disks and a method for manufacturing the same - Google Patents
Aluminium alloy substrate for magnetic disks and a method for manufacturing the sameInfo
- Publication number
- MY161084A MY161084A MYPI2012005590A MYPI2012005590A MY161084A MY 161084 A MY161084 A MY 161084A MY PI2012005590 A MYPI2012005590 A MY PI2012005590A MY PI2012005590 A MYPI2012005590 A MY PI2012005590A MY 161084 A MY161084 A MY 161084A
- Authority
- MY
- Malaysia
- Prior art keywords
- alloy substrate
- magnetic disks
- manufacturing
- same
- aluminium alloy
- Prior art date
Links
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
AN ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS CONTAINING MG: 3.5% BY MASS OR HIGHER BUT 6% BY MASS OR LOWER, WITH THE REMAINDER BEING A1 AND INEVITABLE IMPURITIES, HAVING AN AMOUNT OF A CHANGE IN FLATNESS BEFORE AND AFTER BEING HEATED AT 500°C FOR 10 SECONDS SIMULATING FILM FORMATION OF A MAGNETIC FILM BEING 5 µM OR LESS, AND BEING APPLICABLE TO THE THERMALLY ASSISTED METHOD.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011284194 | 2011-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY161084A true MY161084A (en) | 2017-04-14 |
Family
ID=48633849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI2012005590A MY161084A (en) | 2011-12-26 | 2012-12-24 | Aluminium alloy substrate for magnetic disks and a method for manufacturing the same |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5903031B2 (en) |
CN (1) | CN103173666B (en) |
MY (1) | MY161084A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015027037A1 (en) * | 2013-08-21 | 2015-02-26 | Taheri Mitra Lenore | Annealing process |
CN107532245B (en) * | 2015-05-28 | 2019-07-16 | 株式会社Uacj | Aluminium alloy base plate for magnetic disk and its manufacturing method and the disk for having used the aluminium alloy base plate for magnetic disk |
JP5815153B1 (en) * | 2015-07-02 | 2015-11-17 | 株式会社神戸製鋼所 | Aluminum alloy blank for magnetic disk and aluminum alloy substrate for magnetic disk |
US11149332B2 (en) | 2017-04-15 | 2021-10-19 | The Boeing Company | Aluminum alloy with additions of magnesium and at least one of chromium, manganese and zirconium, and method of manufacturing the same |
JP6640958B1 (en) * | 2018-11-15 | 2020-02-05 | 株式会社神戸製鋼所 | Aluminum alloy plate for magnetic disk, aluminum alloy blank for magnetic disk and aluminum alloy substrate for magnetic disk |
JP6990290B1 (en) | 2020-12-24 | 2022-02-03 | 株式会社Uacj | Aluminum alloy disc blanks and magnetic discs for magnetic discs |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59180832A (en) * | 1983-03-31 | 1984-10-15 | Nippon Light Metal Co Ltd | Alumite substrate for magnetic recording material |
JPS6191352A (en) * | 1984-10-11 | 1986-05-09 | Kobe Steel Ltd | Method for annealing al alloy plate for substrate of magnetic disk hardly causing micro-waving |
JPS637355A (en) * | 1986-06-25 | 1988-01-13 | Kobe Steel Ltd | Annealing method for al-mg alloy |
JPH01215960A (en) * | 1988-02-24 | 1989-08-29 | Kobe Steel Ltd | Manufacture of aluminum alloy substrate |
JPH0499143A (en) * | 1990-08-06 | 1992-03-31 | Sumitomo Light Metal Ind Ltd | Aluminum alloy for magnetic disk base plate having good ni-p plating property |
JP5325472B2 (en) * | 2007-09-05 | 2013-10-23 | 株式会社神戸製鋼所 | Aluminum alloy substrate for magnetic disk and manufacturing method thereof |
JP5199714B2 (en) * | 2008-03-31 | 2013-05-15 | 株式会社神戸製鋼所 | Method for manufacturing aluminum alloy substrate for magnetic disk |
-
2012
- 2012-11-29 JP JP2012261420A patent/JP5903031B2/en not_active Expired - Fee Related
- 2012-12-10 CN CN201210528078.1A patent/CN103173666B/en not_active Expired - Fee Related
- 2012-12-24 MY MYPI2012005590A patent/MY161084A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP5903031B2 (en) | 2016-04-13 |
CN103173666B (en) | 2015-02-25 |
CN103173666A (en) | 2013-06-26 |
JP2013151737A (en) | 2013-08-08 |
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