JPS6269827U - - Google Patents

Info

Publication number
JPS6269827U
JPS6269827U JP1985159768U JP15976885U JPS6269827U JP S6269827 U JPS6269827 U JP S6269827U JP 1985159768 U JP1985159768 U JP 1985159768U JP 15976885 U JP15976885 U JP 15976885U JP S6269827 U JPS6269827 U JP S6269827U
Authority
JP
Japan
Prior art keywords
magnetic disk
periphery
base
outermost
annular recess
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.)
Granted
Application number
JP1985159768U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0519849Y2 (US07922777-20110412-C00004.png
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 JP1985159768U priority Critical patent/JPH0519849Y2/ja
Priority to US06/918,912 priority patent/US4779160A/en
Publication of JPS6269827U publication Critical patent/JPS6269827U/ja
Application granted granted Critical
Publication of JPH0519849Y2 publication Critical patent/JPH0519849Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82Disk carriers
    • G11B5/825Disk carriers flexible discs

Landscapes

  • Magnetic Record Carriers (AREA)
JP1985159768U 1985-10-18 1985-10-18 Expired - Lifetime JPH0519849Y2 (US07922777-20110412-C00004.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1985159768U JPH0519849Y2 (US07922777-20110412-C00004.png) 1985-10-18 1985-10-18
US06/918,912 US4779160A (en) 1985-10-18 1986-10-15 Magnetic recording disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985159768U JPH0519849Y2 (US07922777-20110412-C00004.png) 1985-10-18 1985-10-18

Publications (2)

Publication Number Publication Date
JPS6269827U true JPS6269827U (US07922777-20110412-C00004.png) 1987-05-01
JPH0519849Y2 JPH0519849Y2 (US07922777-20110412-C00004.png) 1993-05-25

Family

ID=15700842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985159768U Expired - Lifetime JPH0519849Y2 (US07922777-20110412-C00004.png) 1985-10-18 1985-10-18

Country Status (2)

Country Link
US (1) US4779160A (US07922777-20110412-C00004.png)
JP (1) JPH0519849Y2 (US07922777-20110412-C00004.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887178A (en) * 1988-06-13 1989-12-12 Minnesota Mining And Manufacturing Company Aligned stretched surface recording medium
JP2003178546A (ja) * 2001-12-13 2003-06-27 Fuji Photo Film Co Ltd 磁気ディスクカートリッジ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5252602A (en) * 1975-10-24 1977-04-27 Pioneer Electronic Corp Record disc
JPS60101720A (ja) * 1984-10-17 1985-06-05 Hitachi Ltd 磁気デイスク

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246812B (de) * 1962-12-17 1967-08-10 Soemmerda Bueromaschwerk Magnetspeicher
US3462817A (en) * 1967-03-31 1969-08-26 North American Rockwell Prestressed sheets for supporting members
US4631609A (en) * 1984-02-16 1986-12-23 Minnesota Mining And Manufacturing Company Stretched surface recording disk substrate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5252602A (en) * 1975-10-24 1977-04-27 Pioneer Electronic Corp Record disc
JPS60101720A (ja) * 1984-10-17 1985-06-05 Hitachi Ltd 磁気デイスク

Also Published As

Publication number Publication date
US4779160A (en) 1988-10-18
JPH0519849Y2 (US07922777-20110412-C00004.png) 1993-05-25

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