DE3419285C2 - - Google Patents

Info

Publication number
DE3419285C2
DE3419285C2 DE3419285A DE3419285A DE3419285C2 DE 3419285 C2 DE3419285 C2 DE 3419285C2 DE 3419285 A DE3419285 A DE 3419285A DE 3419285 A DE3419285 A DE 3419285A DE 3419285 C2 DE3419285 C2 DE 3419285C2
Authority
DE
Germany
Prior art keywords
plate
magnetic
head
magnetic disk
curvature
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
Application number
DE3419285A
Other languages
German (de)
English (en)
Other versions
DE3419285A1 (de
Inventor
Yasuo Kanagawa Jp Nagashima
Akira Odawara Kanagawa Jp Kasuga
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of DE3419285A1 publication Critical patent/DE3419285A1/de
Application granted granted Critical
Publication of DE3419285C2 publication Critical patent/DE3419285C2/de
Granted 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
    • G11B5/825—Disk carriers flexible discs
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31511—Of epoxy ether
    • Y10T428/31515—As intermediate layer
    • Y10T428/31518—Next to glass or quartz

Landscapes

  • Magnetic Record Carriers (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
DE19843419285 1983-05-23 1984-05-23 Flexible magnetplatte zur verwendung mit einer magnetkopfeinrichtung Granted DE3419285A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58089099A JPS59215024A (ja) 1983-05-23 1983-05-23 フレキシブル磁気ディスク

Publications (2)

Publication Number Publication Date
DE3419285A1 DE3419285A1 (de) 1984-11-29
DE3419285C2 true DE3419285C2 (enEXAMPLES) 1989-08-10

Family

ID=13961432

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843419285 Granted DE3419285A1 (de) 1983-05-23 1984-05-23 Flexible magnetplatte zur verwendung mit einer magnetkopfeinrichtung

Country Status (3)

Country Link
US (1) US4646179A (enEXAMPLES)
JP (1) JPS59215024A (enEXAMPLES)
DE (1) DE3419285A1 (enEXAMPLES)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421034A1 (de) * 1994-06-16 1995-12-21 Ibm Rotierbare Platte zur Speicherung von Information

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148180A (ja) * 1984-08-11 1986-03-08 Fuji Photo Film Co Ltd 回転磁気記録体装置
US5198941A (en) * 1985-03-27 1993-03-30 Canon Kabushiki Kaisha Recording or reproducing apparatus
US4797764A (en) * 1986-01-27 1989-01-10 Minnesota Mining And Manufacturing Company Recording disk with low total indicated runout
JPH01232533A (ja) * 1987-10-15 1989-09-18 Canon Inc 磁気記録媒体
JPH05290361A (ja) * 1992-04-13 1993-11-05 Fuji Photo Film Co Ltd フレキシブル磁気ディスク及びその製造方法
JP5524545B2 (ja) * 2009-09-08 2014-06-18 日本放送協会 フレキシブルディスクシステムおよびフレキシブルディスクの製造方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5217004A (en) * 1975-07-30 1977-02-08 Fuji Photo Film Co Ltd Magnetic sheet
US4074330A (en) * 1976-08-30 1978-02-14 International Business Machines Corporation Flexible disk storage apparatus
JPS5366203A (en) * 1976-11-25 1978-06-13 Matsushita Electric Ind Co Ltd Magnetic tape
JPS5366202A (en) * 1976-11-26 1978-06-13 Fuji Photo Film Co Ltd Magnetic recording tape
JPS5414711A (en) * 1977-07-06 1979-02-03 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5417708A (en) * 1977-07-11 1979-02-09 Toshiba Corp Flexible disc recorder-reproducer
JPS6032888B2 (ja) * 1977-08-09 1985-07-31 富士写真フイルム株式会社 磁気シ−ト
JPS5815870B2 (ja) * 1979-05-21 1983-03-28 日本電信電話株式会社 磁気デイスク装置
JPS567233A (en) * 1979-06-25 1981-01-24 Tdk Corp Magnetic recording medium
JPS5730122A (en) * 1980-07-28 1982-02-18 Fuji Photo Film Co Ltd Base film for magnetic recording medium
JPS5736473A (en) * 1980-08-14 1982-02-27 Sony Corp Rotating driving device
DE3068214D1 (en) * 1980-09-06 1984-07-19 Ibm Deutschland Carrier for magnetic discs consisting of fibre-reinforced plastics
GB2093254B (en) * 1980-12-31 1985-07-03 Sony Corp Apparatus for driving flexible discs
US4414592A (en) * 1981-05-01 1983-11-08 Iomega Corporation Support for stabilizing the movement of a magnetic medium over a magnetic head
US4449139A (en) * 1981-05-18 1984-05-15 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
US4365258A (en) * 1981-05-18 1982-12-21 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
JPS5817519A (ja) * 1981-07-24 1983-02-01 Fujitsu Ltd 磁気ヘツド
JPS57113466A (en) * 1981-09-18 1982-07-14 Sony Corp Magnetic sheet jacket
JPS5933666A (ja) * 1982-08-18 1984-02-23 Canon Inc 記録又は再生装置
JPS59165242A (ja) * 1983-03-11 1984-09-18 Konishiroku Photo Ind Co Ltd 磁気記録媒体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421034A1 (de) * 1994-06-16 1995-12-21 Ibm Rotierbare Platte zur Speicherung von Information

Also Published As

Publication number Publication date
JPS59215024A (ja) 1984-12-04
DE3419285A1 (de) 1984-11-29
JPH0479069B2 (enEXAMPLES) 1992-12-14
US4646179A (en) 1987-02-24

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition