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 same

Info

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
Application number
MYPI2012005590A
Inventor
Terada Kaori
Umeda Hidetoshi
Original Assignee
Kobe Steel Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of MY161084A publication Critical patent/MY161084A/en

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  • 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.
MYPI2012005590A 2011-12-26 2012-12-24 Aluminium alloy substrate for magnetic disks and a method for manufacturing the same MY161084A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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