DE3477293D1 - Rigid magnetic recording media - Google Patents

Rigid magnetic recording media

Info

Publication number
DE3477293D1
DE3477293D1 DE8484110758T DE3477293T DE3477293D1 DE 3477293 D1 DE3477293 D1 DE 3477293D1 DE 8484110758 T DE8484110758 T DE 8484110758T DE 3477293 T DE3477293 T DE 3477293T DE 3477293 D1 DE3477293 D1 DE 3477293D1
Authority
DE
Germany
Prior art keywords
magnetic recording
recording media
rigid magnetic
rigid
media
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
DE8484110758T
Other languages
English (en)
Inventor
John Chen Shyan Shen
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 DE3477293D1 publication Critical patent/DE3477293D1/de
Expired 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
    • G11B5/62—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
    • G11B5/702—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 bonding agent
    • G11B5/7028—Additives, e.g. crosslinking agents
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31511—Of epoxy ether
    • Y10T428/31529—Next to metal
    • 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]
    • Y10T428/31942—Of aldehyde or ketone condensation product
DE8484110758T 1983-12-27 1984-09-10 Rigid magnetic recording media Expired DE3477293D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/566,070 US4536451A (en) 1983-12-27 1983-12-27 Rigid magnetic recording media coating composition

Publications (1)

Publication Number Publication Date
DE3477293D1 true DE3477293D1 (en) 1989-04-20

Family

ID=24261350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484110758T Expired DE3477293D1 (en) 1983-12-27 1984-09-10 Rigid magnetic recording media

Country Status (4)

Country Link
US (1) US4536451A (de)
EP (1) EP0151216B1 (de)
JP (1) JPS60143428A (de)
DE (1) DE3477293D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60179936A (ja) * 1984-02-27 1985-09-13 Mitsui Toatsu Chem Inc 磁気記録媒体
US4596739A (en) * 1985-02-11 1986-06-24 International Business Machines Corporation Rigid magnetic recording media
US4711817A (en) * 1985-04-22 1987-12-08 Union Carbide Corporation Carboxylic acid-grafted phenoxy resins
US4876149A (en) * 1986-07-31 1989-10-24 Minnesota Mining And Manufacturing Company Magnetic recording media and a method using a stable fluid reactive dispersion in preparing magnetic recording media
US20040109298A1 (en) * 1998-05-04 2004-06-10 Hartman William F. Dielectric material including particulate filler
US6608760B2 (en) * 1998-05-04 2003-08-19 Tpl, Inc. Dielectric material including particulate filler
US6591483B1 (en) * 2000-04-04 2003-07-15 The Cherry Corporation Method of forming a spatially fine magnetic structure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058844A (en) * 1959-10-13 1962-10-16 Ibm Composition of epoxide resin, methylol phenol ether, polyvinyl methyl ether, and acid anhydride catalyst, and metal substrate coated therewith, especially a magnetic signal storage device
US3438931A (en) * 1964-12-14 1969-04-15 Union Carbide Corp Phenolic molding compositions
US3686139A (en) * 1970-03-10 1972-08-22 Globe Union Inc Resistive coating compositions and resistor elements produced therefrom
US3843404A (en) * 1970-06-08 1974-10-22 Ibm Magnetic recording coating
US4003743A (en) * 1972-03-30 1977-01-18 Fuji Photo Film Co., Ltd. Process for production of motion picture film with sound track containing p-toluenesulfonic acid and glacial acetic acid
JPS5240847B2 (de) * 1972-10-05 1977-10-14
US4070522A (en) * 1973-04-20 1978-01-24 Fujitsu Limited Magnetic recording medium
DE2355840A1 (de) * 1973-11-08 1975-05-22 Basf Ag Verfahren zur herstellung magnetischer aufzeichnungsplatten
DE2451276C2 (de) * 1974-10-29 1982-12-30 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung starrer magnetischer Aufzeichnungsträger
JPS53141003A (en) * 1977-05-16 1978-12-08 Hitachi Ltd Production of magnetic disc
US4397751A (en) * 1981-05-04 1983-08-09 International Business Machines Corporation Magnetic disk coatings
US4405684A (en) * 1981-09-21 1983-09-20 International Business Machines Corporation Rigid magnetic coating composition with thermosetting binder for hard file
JPS5928220A (ja) * 1982-08-04 1984-02-14 Hitachi Ltd 厚膜形成用磁気記録組成物

Also Published As

Publication number Publication date
US4536451A (en) 1985-08-20
JPH0256728B2 (de) 1990-12-03
JPS60143428A (ja) 1985-07-29
EP0151216B1 (de) 1989-03-15
EP0151216A1 (de) 1985-08-14

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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