JPH0310168B2 - - Google Patents

Info

Publication number
JPH0310168B2
JPH0310168B2 JP58066789A JP6678983A JPH0310168B2 JP H0310168 B2 JPH0310168 B2 JP H0310168B2 JP 58066789 A JP58066789 A JP 58066789A JP 6678983 A JP6678983 A JP 6678983A JP H0310168 B2 JPH0310168 B2 JP H0310168B2
Authority
JP
Japan
Prior art keywords
less
alloy
intermetallic compounds
content
present
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP58066789A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59193537A (ja
Inventor
Kazuo Yamada
Masahiro Tsucha
Hideaki Kakita
Reijiro Maruyama
Yoshinobu Okada
Isao Takeuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MA Aluminum Corp
Original Assignee
Mitsubishi Aluminum Co 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 Mitsubishi Aluminum Co Ltd filed Critical Mitsubishi Aluminum Co Ltd
Priority to JP58066789A priority Critical patent/JPS59193537A/ja
Publication of JPS59193537A publication Critical patent/JPS59193537A/ja
Priority to US06/882,632 priority patent/US4826737A/en
Publication of JPH0310168B2 publication Critical patent/JPH0310168B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
    • G11B5/73919—Aluminium or titanium elemental or alloy substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
JP58066789A 1983-04-15 1983-04-15 磁気デイスク基板用Ａｌ合金 Granted JPS59193537A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58066789A JPS59193537A (ja) 1983-04-15 1983-04-15 磁気デイスク基板用Ａｌ合金
US06/882,632 US4826737A (en) 1983-04-15 1986-07-07 Method of using aluminum alloy as substrate for magnetic discs with enhanced magnetic recording density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58066789A JPS59193537A (ja) 1983-04-15 1983-04-15 磁気デイスク基板用Ａｌ合金

Publications (2)

Publication Number Publication Date
JPS59193537A JPS59193537A (ja) 1984-11-02
JPH0310168B2 true JPH0310168B2 (cs) 1991-02-13

Family

ID=13325973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58066789A Granted JPS59193537A (ja) 1983-04-15 1983-04-15 磁気デイスク基板用Ａｌ合金

Country Status (1)

Country Link
JP (1) JPS59193537A (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60194040A (ja) * 1984-02-18 1985-10-02 Kobe Steel Ltd メツキ性に優れたデイスク用アルミニウム合金板
JP2542188B2 (ja) * 1986-04-09 1996-10-09 三菱アルミニウム 株式会社 記録媒体の製造方法
JPS6372848A (ja) * 1986-09-16 1988-04-02 Kobe Steel Ltd 磁気デイスク用アルミニウム基合金板
JP6169950B2 (ja) * 2013-11-06 2017-07-26 株式会社Uacj 磁気ディスク用アルミニウム合金基板
JP5767384B1 (ja) * 2014-03-24 2015-08-19 株式会社神戸製鋼所 磁気ディスク用アルミニウム合金板、磁気ディスク用アルミニウム合金ブランク及び磁気ディスク用アルミニウム合金サブストレート
JP6640958B1 (ja) * 2018-11-15 2020-02-05 株式会社神戸製鋼所 磁気ディスク用アルミニウム合金板、磁気ディスク用アルミニウム合金ブランクおよび磁気ディスク用アルミニウム合金サブストレート

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140B2 (ja) * 1980-01-28 1985-01-05 株式会社神戸製鋼所 磁気デイスク用Ａｌ基合金板の製造法

Also Published As

Publication number Publication date
JPS59193537A (ja) 1984-11-02

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