MY168766A - Aluminum alloy substrate for magnetic storage disks and method for manufacturing the same - Google Patents
Aluminum alloy substrate for magnetic storage disks and method for manufacturing the sameInfo
- Publication number
- MY168766A MY168766A MYPI2014000560A MYPI2014000560A MY168766A MY 168766 A MY168766 A MY 168766A MY PI2014000560 A MYPI2014000560 A MY PI2014000560A MY PI2014000560 A MYPI2014000560 A MY PI2014000560A MY 168766 A MY168766 A MY 168766A
- Authority
- MY
- Malaysia
- Prior art keywords
- less
- aluminum alloy
- manufacturing
- magnetic storage
- storage disks
- Prior art date
Links
- 229910000838 Al alloy Inorganic materials 0.000 title abstract 5
- 239000000758 substrate Substances 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000007747 plating Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
Landscapes
- Magnetic Record Carriers (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
Abstract
PROVIDED ARE AN ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC STORAGE DISKS AND A MANUFACTURING METHOD THEREOF, WHICH SUBSTRATE HAS SUPERIOR SHOCK RESISTANCE, FLATNESS, AND PLATING SURFACE SMOOTHNESS. THE ALUMINUM ALLOY SUBSTRATE INCLUDES AN ALUMINUM ALLOY, HAS A FLATNESS OF 5 ?m OR LESS, AND HAS AN AREA PERCENTAGE OF EQUIAXED GRAINS IN THE SUBSTRATE SURFACE OF 30% OR LESS, WHERE THE ALUMINUM ALLOY CONTAINS SI OF LESS THAN 0.03%; FE OF LESS THAN 0.03%; MG OF FROM GREATER THAN 3.5% TO LESS THAN 4.5%; CR OF LESS THAN 0.20%; AND AT LEAST ONE OF CU OF FROM GREATER THAN 0.01% TO LESS THAN 0.20% AND ZN OF FROM GREATER THAN 0.01% TO LESS THAN 0.40%, IN MASS PERCENT, WITH THE REMAINDER CONSISTING OF AL AND INEVITABLE IMPURITIES.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013088894A JP5973952B2 (en) | 2013-04-19 | 2013-04-19 | Aluminum alloy substrate for magnetic disk and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY168766A true MY168766A (en) | 2018-12-04 |
Family
ID=51706768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI2014000560A MY168766A (en) | 2013-04-19 | 2014-02-27 | Aluminum alloy substrate for magnetic storage disks and method for manufacturing the same |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5973952B2 (en) |
| CN (1) | CN104109783B (en) |
| MY (1) | MY168766A (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5767384B1 (en) * | 2014-03-24 | 2015-08-19 | 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 |
| CN105803273B (en) * | 2015-01-16 | 2018-01-02 | 株式会社神户制钢所 | Aluminum alloy plate for magnetic disk, aluminum alloy blank for magnetic disk, and aluminum alloy substrate for magnetic disk |
| US10755738B2 (en) | 2015-05-28 | 2020-08-25 | Uacj Corporation | Aluminum alloy substrate for magnetic discs and manufacturing method therefor, as well as magnetic disc using said aluminum alloy substrate for magnetic discs |
| CN104941999B (en) * | 2015-06-30 | 2017-01-11 | 辽宁科技大学 | Rolling method of high-purity aluminum magnesium alloy substrate for mechanical hard 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 |
| CN106337171B (en) * | 2015-07-07 | 2018-10-16 | 株式会社神户制钢所 | Deposition for Ni plating technics has the substrate of bottom, laminated body and magnetic recording medium containing Ni coating layers |
| CN105568084A (en) * | 2015-12-31 | 2016-05-11 | 新疆众和股份有限公司 | Aluminum base aluminum magnesium alloy substrate for hard disk and manufacturing process of aluminum base aluminum magnesium alloy substrate |
| JP6574740B2 (en) | 2016-07-08 | 2019-09-11 | 昭和電工株式会社 | Magnetic recording medium substrate and hard disk drive |
| JP6832179B2 (en) | 2017-02-03 | 2021-02-24 | 昭和電工株式会社 | Magnetic recording medium board and hard disk drive |
| JP6753613B2 (en) * | 2017-12-26 | 2020-09-09 | 晃 生松 | Spacer and hard disk drive |
| JP6389577B1 (en) * | 2018-02-17 | 2018-09-12 | 株式会社Uacj | Aluminum alloy substrate for magnetic disk, manufacturing method thereof, and magnetic disk using the aluminum alloy substrate for magnetic disk |
| JP6895918B2 (en) * | 2018-03-23 | 2021-06-30 | 古河電気工業株式会社 | Manufacturing method of aluminum alloy substrate for magnetic disk, disk drive, and aluminum alloy substrate for magnetic disk |
| 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 |
| JP6506898B1 (en) * | 2018-11-26 | 2019-04-24 | 株式会社Uacj | Aluminum alloy substrate for magnetic disk and method for manufacturing the same, aluminum alloy substrate for magnetic disk and method for manufacturing the same, and magnetic disk and method for manufacturing the same |
| JP6908741B2 (en) * | 2019-03-14 | 2021-07-28 | 株式会社神戸製鋼所 | Aluminum alloy blanks for magnetic disks and aluminum alloy substrates for magnetic disks |
| 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 (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63111153A (en) * | 1986-10-30 | 1988-05-16 | Kobe Steel Ltd | Aluminum alloy sheet for vertical magnetic disk and its production |
| JP2004332068A (en) * | 2003-05-09 | 2004-11-25 | Kobe Steel Ltd | Clad aluminum alloy substrate for magnetic disk, and its production method |
| JP2005194590A (en) * | 2004-01-08 | 2005-07-21 | Kobe Steel Ltd | Aluminum alloy substrate for magnetic disk, and its production method |
| JP2005344173A (en) * | 2004-06-03 | 2005-12-15 | Kobe Steel Ltd | Aluminum-alloy substrate for magnetic disk, and its manufacturing method |
| 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 |
| JP5590661B2 (en) * | 2010-03-04 | 2014-09-17 | 株式会社Ｕａｃｊ | Aluminum alloy blank for magnetic disk excellent in machinability and manufacturing method thereof |
| JP5325869B2 (en) * | 2010-11-02 | 2013-10-23 | 株式会社神戸製鋼所 | Aluminum alloy substrate for magnetic disk and manufacturing method thereof |
| JP5901168B2 (en) * | 2011-07-22 | 2016-04-06 | 株式会社Uacj | Aluminum alloy substrate for magnetic disk and method for manufacturing the same, and aluminum alloy substrate for base treatment magnetic disk and method for manufacturing the same |
-
2013
- 2013-04-19 JP JP2013088894A patent/JP5973952B2/en not_active Expired - Fee Related
-
2014
- 2014-02-27 MY MYPI2014000560A patent/MY168766A/en unknown
- 2014-04-17 CN CN201410154906.9A patent/CN104109783B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104109783A (en) | 2014-10-22 |
| JP5973952B2 (en) | 2016-08-23 |
| JP2014210968A (en) | 2014-11-13 |
| CN104109783B (en) | 2016-11-23 |
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