DE2547408A1 - Magnetplattenkoerper - Google Patents

Magnetplattenkoerper

Info

Publication number
DE2547408A1
DE2547408A1 DE19752547408 DE2547408A DE2547408A1 DE 2547408 A1 DE2547408 A1 DE 2547408A1 DE 19752547408 DE19752547408 DE 19752547408 DE 2547408 A DE2547408 A DE 2547408A DE 2547408 A1 DE2547408 A1 DE 2547408A1
Authority
DE
Germany
Prior art keywords
layer
magnetic disk
substrate body
aluminum alloy
magnetic
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.)
Pending
Application number
DE19752547408
Other languages
German (de)
English (en)
Inventor
Seizi Dipl Ing Hattori
Nobuo Dipl Ing Inagaki
Yoshikazu Dipl Ing Ishii
Toshio Dipl Ing Kasai
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE2547408A1 publication Critical patent/DE2547408A1/de
Pending 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • 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
    • G11B5/73913—Composites or coated substrates
    • 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)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE19752547408 1974-10-24 1975-10-23 Magnetplattenkoerper Pending DE2547408A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12194874A JPS5337203B2 (enrdf_load_stackoverflow) 1974-10-24 1974-10-24

Publications (1)

Publication Number Publication Date
DE2547408A1 true DE2547408A1 (de) 1976-04-29

Family

ID=14823871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752547408 Pending DE2547408A1 (de) 1974-10-24 1975-10-23 Magnetplattenkoerper

Country Status (5)

Country Link
JP (1) JPS5337203B2 (enrdf_load_stackoverflow)
DE (1) DE2547408A1 (enrdf_load_stackoverflow)
FR (1) FR2289022A1 (enrdf_load_stackoverflow)
GB (1) GB1493160A (enrdf_load_stackoverflow)
NL (1) NL182180C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038419A1 (de) * 1980-04-17 1981-10-28 International Business Machines Corporation Mehrschichtige magnetische Dünnfilmplatte mit Kunstharzschicht sowie Verfahren zur Herstellung derselben
US4552820A (en) * 1984-04-25 1985-11-12 Lin Data Corporation Disc media

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5168207A (ja) * 1974-12-10 1976-06-12 Fujitsu Ltd Jikideisukuyokibanno seizohoho
JPS5760957Y2 (enrdf_load_stackoverflow) * 1978-09-14 1982-12-25
JPS59180832A (ja) * 1983-03-31 1984-10-15 Nippon Light Metal Co Ltd 磁気記録材用アルマイト基板
JPS6022733A (ja) * 1983-07-19 1985-02-05 Hitachi Metals Ltd 磁気デイスク基板
DE3619432A1 (de) * 1986-06-10 1987-12-17 Komatsu Mfg Co Ltd Verfahren zur herstellung eines elektrophotographischen photosensors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038419A1 (de) * 1980-04-17 1981-10-28 International Business Machines Corporation Mehrschichtige magnetische Dünnfilmplatte mit Kunstharzschicht sowie Verfahren zur Herstellung derselben
US4552820A (en) * 1984-04-25 1985-11-12 Lin Data Corporation Disc media

Also Published As

Publication number Publication date
NL7512229A (nl) 1976-04-27
FR2289022B1 (enrdf_load_stackoverflow) 1980-01-04
JPS5337203B2 (enrdf_load_stackoverflow) 1978-10-07
GB1493160A (en) 1977-11-23
JPS5148303A (enrdf_load_stackoverflow) 1976-04-26
FR2289022A1 (fr) 1976-05-21
NL182180C (nl) 1988-01-18

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