JPS5337203B2 - - Google Patents

Info

Publication number
JPS5337203B2
JPS5337203B2 JP12194874A JP12194874A JPS5337203B2 JP S5337203 B2 JPS5337203 B2 JP S5337203B2 JP 12194874 A JP12194874 A JP 12194874A JP 12194874 A JP12194874 A JP 12194874A JP S5337203 B2 JPS5337203 B2 JP S5337203B2
Authority
JP
Japan
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
Application number
JP12194874A
Other languages
Japanese (ja)
Other versions
JPS5148303A (en
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 filed Critical
Priority to JP12194874A priority Critical patent/JPS5337203B2/ja
Priority to NLAANVRAGE7512229,A priority patent/NL182180C/en
Priority to FR7532000A priority patent/FR2289022A1/en
Priority to DE19752547408 priority patent/DE2547408A1/en
Priority to GB43941/75A priority patent/GB1493160A/en
Publication of JPS5148303A publication Critical patent/JPS5148303A/ja
Publication of JPS5337203B2 publication Critical patent/JPS5337203B2/ja
Expired 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
JP12194874A 1974-10-24 1974-10-24 Expired JPS5337203B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP12194874A JPS5337203B2 (en) 1974-10-24 1974-10-24
NLAANVRAGE7512229,A NL182180C (en) 1974-10-24 1975-10-17 MAGNETIC DISK SUBSTRATE FOR REGISTRATION WITH GREAT STORAGE DENSITY.
FR7532000A FR2289022A1 (en) 1974-10-24 1975-10-20 MAGNETIC DISC HOLDER
DE19752547408 DE2547408A1 (en) 1974-10-24 1975-10-23 MAGNETIC PLATE BODY
GB43941/75A GB1493160A (en) 1974-10-24 1975-10-24 Magnetic disc for recording with high storage density

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5148303A JPS5148303A (en) 1976-04-26
JPS5337203B2 true JPS5337203B2 (en) 1978-10-07

Family

ID=14823871

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5168207A (en) * 1974-12-10 1976-06-12 Fujitsu Ltd JIKIDEISUKUYOKIBANNO SEIZOHOHO
JPS5760957Y2 (en) * 1978-09-14 1982-12-25
DE3014718A1 (en) * 1980-04-17 1981-10-22 Ibm Deutschland Gmbh, 7000 Stuttgart MULTILAYER MAGNETIC THIN FILM PLATE WITH SYNTHETIC RESIN LAYER AND METHOD FOR THE PRODUCTION THEREOF
JPS59180832A (en) * 1983-03-31 1984-10-15 Nippon Light Metal Co Ltd Alumite substrate for magnetic recording material
JPS6022733A (en) * 1983-07-19 1985-02-05 Hitachi Metals Ltd Substrate for magnetic disc
US4552820A (en) * 1984-04-25 1985-11-12 Lin Data Corporation Disc media
GB2191511A (en) * 1986-06-10 1987-12-16 Komatsu Mfg Co Ltd Fabricating an electro-photographic photosensor

Also Published As

Publication number Publication date
NL182180C (en) 1988-01-18
FR2289022A1 (en) 1976-05-21
JPS5148303A (en) 1976-04-26
FR2289022B1 (en) 1980-01-04
DE2547408A1 (en) 1976-04-29
GB1493160A (en) 1977-11-23
NL7512229A (en) 1976-04-27

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