FR1412758A - Disque d'enregistrement magnétique souple - Google Patents

Disque d'enregistrement magnétique souple

Info

Publication number
FR1412758A
FR1412758A FR992818A FR992818A FR1412758A FR 1412758 A FR1412758 A FR 1412758A FR 992818 A FR992818 A FR 992818A FR 992818 A FR992818 A FR 992818A FR 1412758 A FR1412758 A FR 1412758A
Authority
FR
France
Prior art keywords
magnetic recording
soft magnetic
recording disc
disc
soft
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
FR992818A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1412758A publication Critical patent/FR1412758A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • 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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
    • 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
    • G11B5/74—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
    • H01F10/28—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the substrate
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49867—Assembling or joining with prestressing of part of skin on frame member

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
FR992818A 1963-10-30 1964-10-27 Disque d'enregistrement magnétique souple Expired FR1412758A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US320210A US3373413A (en) 1963-10-30 1963-10-30 Pliable magnetic recording disk with direct transducer contact

Publications (1)

Publication Number Publication Date
FR1412758A true FR1412758A (fr) 1965-10-01

Family

ID=23245377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR992818A Expired FR1412758A (fr) 1963-10-30 1964-10-27 Disque d'enregistrement magnétique souple

Country Status (7)

Country Link
US (1) US3373413A (fr)
BE (1) BE654955A (fr)
CH (1) CH429219A (fr)
FR (1) FR1412758A (fr)
GB (1) GB1017747A (fr)
NL (1) NL6412514A (fr)
SE (1) SE333653B (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480964A (en) * 1967-02-09 1969-11-25 North American Rockwell Structure for assembling annular tensioned recording discs
US3516081A (en) * 1969-07-31 1970-06-02 North American Rockwell Fluid bearing pads for supporting transducers
US3737880A (en) * 1971-09-10 1973-06-05 Arvin Ind Inc Flexible disc with air intake in turntable
JPS573148B2 (fr) * 1974-05-16 1982-01-20
US4328607A (en) * 1979-12-10 1982-05-11 International Business Machines Corporation Manufacturing process for foil magnetic recording disks
DE3066723D1 (en) * 1979-12-10 1984-03-29 Ibm Methods of fabricating magnetic records, magnetic records so fabricated, and magnetic recording and reproducing apparatus comprising such fabricated magnetic records
US4317150A (en) * 1979-12-10 1982-02-23 International Business Machines Corporation Foil recording disk structures
US4365258A (en) * 1981-05-18 1982-12-21 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
CA1170873A (fr) * 1981-05-18 1984-07-17 Frederick F. Geyer Disque optique lamelle et methode de fabrication
US4449139A (en) * 1981-05-18 1984-05-15 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
US4625384A (en) * 1982-04-19 1986-12-02 Minnesota Mining And Manufacturing Company Method of making a recording disc
US4453246A (en) * 1982-09-30 1984-06-05 Eastman Kodak Company Retaining rings for optical disc assemblies
US4573097A (en) * 1982-10-13 1986-02-25 Minnesota Mining And Manufacturing Company Stretched surface recording disk and method of manufacture
US4670072A (en) * 1982-10-13 1987-06-02 Minnesota Mining And Manufacturing Company Method of making a stretched surface recording disk
US4553232A (en) * 1983-01-17 1985-11-12 Eastman Kodak Company Clamping device for optical disk assemblies
US4482903A (en) * 1983-06-20 1984-11-13 Eastman Kodak Company Disk unit with retaining ring
US4631609A (en) * 1984-02-16 1986-12-23 Minnesota Mining And Manufacturing Company Stretched surface recording disk substrate
US4963209A (en) * 1984-12-21 1990-10-16 Minnesota Mining And Manufacturing Company Method for making stretched surface recording disk
US4835647A (en) * 1984-12-21 1989-05-30 Minnesota Mining And Manufacturing Company Stretched surface recording medium
JPS61192029A (ja) * 1985-02-21 1986-08-26 Fuji Photo Film Co Ltd 磁気デイスクの製造方法
US4729805A (en) * 1985-03-14 1988-03-08 Minnesota Mining And Manufacturing Company Recording medium annealing process
USRE33187E (en) * 1985-03-14 1990-03-27 Minnesota Mining And Manufacturing Company Stable stretched surface recording medium
US4623570A (en) * 1985-03-14 1986-11-18 Minnesota Mining And Manufacturing Company Stable stretched surface recording medium
US4952435A (en) * 1985-10-03 1990-08-28 Fuji Photo Film Co., Ltd. Adhesive for a base-mounted flexible magnetic disc
US4887178A (en) * 1988-06-13 1989-12-12 Minnesota Mining And Manufacturing Company Aligned stretched surface recording medium
JPH02292721A (ja) * 1989-05-02 1990-12-04 Tdk Corp 磁気デイスク
JP2003162879A (ja) * 2001-11-26 2003-06-06 Fuji Photo Film Co Ltd ディスク状磁気記録媒体

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535480A (en) * 1945-08-27 1950-12-26 Brush Dev Co Magnetic recording and reproducing
US3036304A (en) * 1958-08-20 1962-05-22 Ibm Resilient magnetic drum
US3130110A (en) * 1961-02-15 1964-04-21 Reeves Sounderaft Corp Computer recording disc assembly
NL278158A (fr) * 1961-05-09
US3290692A (en) * 1962-08-07 1966-12-06 Sperry Rand Corp Magnetic storage disc and drum
US3336583A (en) * 1963-05-17 1967-08-15 Potter Instrument Co Inc Deformable magnetizable disc mounted on cylinder
US3334193A (en) * 1963-10-24 1967-08-01 Lab For Electronics Inc High-frequency, high-density time compressor

Also Published As

Publication number Publication date
DE1449789A1 (de) 1970-03-26
NL6412514A (fr) 1965-05-03
BE654955A (fr) 1965-02-15
CH429219A (de) 1967-01-31
SE333653B (fr) 1971-03-22
DE1449789B2 (de) 1971-05-27
US3373413A (en) 1968-03-12
GB1017747A (en) 1966-01-19

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