DE3669940D1 - Verfahren zur herstellung einer magnetischen aufzeichnungsplatte. - Google Patents

Verfahren zur herstellung einer magnetischen aufzeichnungsplatte.

Info

Publication number
DE3669940D1
DE3669940D1 DE8686110657T DE3669940T DE3669940D1 DE 3669940 D1 DE3669940 D1 DE 3669940D1 DE 8686110657 T DE8686110657 T DE 8686110657T DE 3669940 T DE3669940 T DE 3669940T DE 3669940 D1 DE3669940 D1 DE 3669940D1
Authority
DE
Germany
Prior art keywords
producing
magnetic recording
recording plate
plate
magnetic
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 - Fee Related
Application number
DE8686110657T
Other languages
English (en)
Inventor
Eva-Maria Rossi
Armin Rudolf Tietze
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 DE3669940D1 publication Critical patent/DE3669940D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/71—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the lubricant
    • 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/24998—Composite has more than two layers
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
DE8686110657T 1985-08-19 1986-08-01 Verfahren zur herstellung einer magnetischen aufzeichnungsplatte. Expired - Fee Related DE3669940D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/766,623 US4693908A (en) 1985-08-19 1985-08-19 Magnetic recording disk with improved lubricant retention

Publications (1)

Publication Number Publication Date
DE3669940D1 true DE3669940D1 (de) 1990-05-03

Family

ID=25077011

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686110657T Expired - Fee Related DE3669940D1 (de) 1985-08-19 1986-08-01 Verfahren zur herstellung einer magnetischen aufzeichnungsplatte.

Country Status (4)

Country Link
US (1) US4693908A (de)
EP (1) EP0212394B1 (de)
JP (1) JPS6243836A (de)
DE (1) DE3669940D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985295A (en) * 1987-01-23 1991-01-15 Hitachi, Ltd. Magnetic recording medium and method for producing the same
DE3842635A1 (de) * 1988-12-17 1990-06-21 Basf Ag Scheibenfoermige magnetische aufzeichnungstraeger, verfahren zu ihrer herstellung und informationsspeicher, enthaltend diese aufzeichnungstraeger
JPH03116413A (ja) * 1989-09-28 1991-05-17 Fuji Photo Film Co Ltd 磁気記録媒体
JPH06314446A (ja) * 1992-06-19 1994-11-08 Tdk Corp 光磁気ディスク

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280950A1 (fr) * 1974-07-30 1976-02-27 Kodak Pathe Nouvelle bande magnetique a incurvation transversale amelioree
JPS527204A (en) * 1975-06-26 1977-01-20 Fuji Photo Film Co Ltd Magnetic recording medium manufacturing method
FR2353110A1 (fr) * 1976-03-12 1977-12-23 Kodak Pathe Nouveau produit d'enregistrement magnetique et procede pour sa preparation
EP0019894B1 (de) * 1979-05-28 1983-08-24 Hitachi Maxell Ltd. Magnetisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
DE3113859A1 (de) * 1980-04-07 1982-01-28 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Magnetisches aufzeichnungsmaterial
US4405684A (en) * 1981-09-21 1983-09-20 International Business Machines Corporation Rigid magnetic coating composition with thermosetting binder for hard file
JPS5982633A (ja) * 1982-11-02 1984-05-12 Sumitomo Chem Co Ltd 親油性表面を有する磁気記録用研磨剤
JPS5990234A (ja) * 1982-11-15 1984-05-24 Hitachi Ltd 磁気デイスク
US4546035A (en) * 1983-06-27 1985-10-08 International Business Machines Corporation Polymeric additives for magnetic coating materials
US4567096A (en) * 1985-03-21 1986-01-28 Piltingsrud Douglas H Hydrated alumina binder system

Also Published As

Publication number Publication date
JPS6243836A (ja) 1987-02-25
US4693908A (en) 1987-09-15
EP0212394B1 (de) 1990-03-28
JPH0378694B2 (de) 1991-12-16
EP0212394A2 (de) 1987-03-04
EP0212394A3 (en) 1989-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee