DE3672911D1 - Aluminiumbegierung und daraus gefertigtes substrat fuer magnetplatte. - Google Patents

Aluminiumbegierung und daraus gefertigtes substrat fuer magnetplatte.

Info

Publication number
DE3672911D1
DE3672911D1 DE8686303850T DE3672911T DE3672911D1 DE 3672911 D1 DE3672911 D1 DE 3672911D1 DE 8686303850 T DE8686303850 T DE 8686303850T DE 3672911 T DE3672911 T DE 3672911T DE 3672911 D1 DE3672911 D1 DE 3672911D1
Authority
DE
Germany
Prior art keywords
substrate
plate made
magnetic plate
aluminum guide
aluminum
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 - Fee Related
Application number
DE8686303850T
Other languages
English (en)
Inventor
Motohiro Nabae
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.)
Furukawa Aluminum Co Ltd
Original Assignee
Furukawa 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 Furukawa Aluminum Co Ltd filed Critical Furukawa Aluminum Co Ltd
Application granted granted Critical
Publication of DE3672911D1 publication Critical patent/DE3672911D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/10—Alloys based on aluminium with zinc as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • 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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/657—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing inorganic, non-oxide compound of Si, N, P, B, H or C, e.g. in metal alloy or compound
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12993—Surface feature [e.g., rough, mirror]
DE8686303850T 1985-05-21 1986-05-21 Aluminiumbegierung und daraus gefertigtes substrat fuer magnetplatte. Expired - Fee Related DE3672911D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60108800A JPS61266548A (ja) 1985-05-21 1985-05-21 磁気デイスク基板用アルミニウム合金

Publications (1)

Publication Number Publication Date
DE3672911D1 true DE3672911D1 (de) 1990-08-30

Family

ID=14493802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686303850T Expired - Fee Related DE3672911D1 (de) 1985-05-21 1986-05-21 Aluminiumbegierung und daraus gefertigtes substrat fuer magnetplatte.

Country Status (5)

Country Link
US (1) US4840685A (de)
EP (1) EP0206519B1 (de)
JP (1) JPS61266548A (de)
KR (1) KR930007317B1 (de)
DE (1) DE3672911D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62230947A (ja) * 1986-03-31 1987-10-09 Sumitomo Light Metal Ind Ltd メッキ性に優れた磁気ディスク用アルミニウム合金
EP0300962B1 (de) * 1987-07-23 1991-12-18 Alusuisse-Lonza Services Ag Schweisszusatzwerkstoff zum Schmelzschweissen von hochfesten Aluminiumlegierungen
JPH01188654A (ja) * 1988-01-21 1989-07-27 Kobe Steel Ltd メッキ性に優れ歪の小さいディスク用アルミニウム合金板の製造方法
JPH0297639A (ja) * 1988-09-30 1990-04-10 Furukawa Alum Co Ltd メツキ性に優れた磁気デイスク基板用アルミニウム合金
JPH02111839A (ja) * 1988-10-18 1990-04-24 Kobe Steel Ltd 優れたメッキ性を有するディスク用アルミニウム合金板とその製造方法
US5244516A (en) * 1988-10-18 1993-09-14 Kabushiki Kaisha Kobe Seiko Sho Aluminum alloy plate for discs with improved platability and process for producing the same
CH683188A5 (de) * 1991-01-11 1994-01-31 Alusuisse Lonza Services Ag Aluminiumoberflächen.
JP2006291298A (ja) * 2005-04-12 2006-10-26 Ykk Corp アルミニウム合金及びこの合金を使用したスライドファスナー
US9315885B2 (en) * 2013-03-09 2016-04-19 Alcoa Inc. Heat treatable aluminum alloys having magnesium and zinc and methods for producing the same
JP2016121387A (ja) * 2014-12-25 2016-07-07 キヤノン・コンポーネンツ株式会社 めっき皮膜付樹脂製品の製造方法
JP2016135914A (ja) * 2015-01-16 2016-07-28 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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2301759A (en) * 1940-09-05 1942-11-10 Aluminum Co Of America Aluminum alloy rivet
FR2158729A5 (en) * 1971-10-29 1973-06-15 Cegedur Aluminium- copper- magnesium alloy - for automobile body sheet materials undergoing stove-enamelling
JPS5336412B2 (de) * 1974-02-20 1978-10-03
US4140556A (en) * 1976-04-16 1979-02-20 Sumitomo Light Metal Industries, Ltd. Aluminum alloy sheet
FR2370105A2 (fr) * 1976-11-08 1978-06-02 Cegedur Procede de preparation de toles d'aluminium destinees a etre soudees, a resistance a la corrosion amelioree

Also Published As

Publication number Publication date
EP0206519A1 (de) 1986-12-30
JPS61266548A (ja) 1986-11-26
EP0206519B1 (de) 1990-07-25
KR860009151A (ko) 1986-12-20
US4840685A (en) 1989-06-20
KR930007317B1 (ko) 1993-08-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee