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)
Other versions
JPH0519849Y2 (ja
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)

Description

【図面の簡単な説明】
第1図は本考案に係る磁気デイスクを記録・読
取装置に装着した状態を示す断面図、第2A図お
よび第3A図は上記磁気デイスクの断面図、第2
B図および第3B図は上記磁気デイスクに用いる
基盤の斜視図、第4図は従来の磁気デイスクを示
す断面図である。 2…デイスクドライブ機構、3a,3b…ヘツ
ド、10…磁気デイスク、11,12…フレキシ
ブル磁気シート、13…基盤、13d…凹部。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 所定径の内孔を有する基盤の少なくとも一
    方の面における最外周部と最内周部との間に環状
    の凹部を形成し、上記一方の面と略同一形状のフ
    レキシブル磁気シートを上記最外周部と最内周部
    において接着して上記一方の面に貼付してなる磁
    気デイスクにおいて、 上記基盤は上記環状の凹部を有する部分におい
    て、内周部の肉厚が外周部の肉厚より厚くなるよ
    うに形成されていることを特徴とする磁気デイス
    ク。 (2) 上記環状の凹部が上記円盤状の基体の両面
    に表裏対称となつて形成されていることを特徴と
    する実用新案登録請求の範囲第1項記載の磁気デ
    イスク。
JP1985159768U 1985-10-18 1985-10-18 Expired - Lifetime JPH0519849Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1985159768U JPH0519849Y2 (ja) 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 (ja) 1985-10-18 1985-10-18

Publications (2)

Publication Number Publication Date
JPS6269827U true JPS6269827U (ja) 1987-05-01
JPH0519849Y2 JPH0519849Y2 (ja) 1993-05-25

Family

ID=15700842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985159768U Expired - Lifetime JPH0519849Y2 (ja) 1985-10-18 1985-10-18

Country Status (2)

Country Link
US (1) US4779160A (ja)
JP (1) JPH0519849Y2 (ja)

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
JPH0519849Y2 (ja) 1993-05-25
US4779160A (en) 1988-10-18

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