DE3473524D1 - Magnetic recording materials - Google Patents

Magnetic recording materials

Info

Publication number
DE3473524D1
DE3473524D1 DE8484105933T DE3473524T DE3473524D1 DE 3473524 D1 DE3473524 D1 DE 3473524D1 DE 8484105933 T DE8484105933 T DE 8484105933T DE 3473524 T DE3473524 T DE 3473524T DE 3473524 D1 DE3473524 D1 DE 3473524D1
Authority
DE
Germany
Prior art keywords
magnetic recording
recording materials
materials
magnetic
recording
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
DE8484105933T
Other languages
English (en)
Inventor
Ming Ko
Michael Eugene Oxsen
Robert Bruce Prime
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 DE3473524D1 publication Critical patent/DE3473524D1/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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • 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
    • Y10T428/249921—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
    • 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]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing
    • 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]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31931—Polyene monomer-containing
    • 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]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
DE8484105933T 1983-06-27 1984-05-25 Magnetic recording materials Expired DE3473524D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/508,300 US4546035A (en) 1983-06-27 1983-06-27 Polymeric additives for magnetic coating materials

Publications (1)

Publication Number Publication Date
DE3473524D1 true DE3473524D1 (en) 1988-09-22

Family

ID=24022177

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484105933T Expired DE3473524D1 (en) 1983-06-27 1984-05-25 Magnetic recording materials

Country Status (4)

Country Link
US (1) US4546035A (de)
EP (1) EP0129721B1 (de)
JP (1) JPS6010419A (de)
DE (1) DE3473524D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8402136A (nl) * 1984-07-05 1986-02-03 Pd Magnetics Bv Magnetisch registratie element en methode voor de vervaardiging ervan.
JPS6173237A (ja) * 1984-09-18 1986-04-15 Hitachi Maxell Ltd 磁気デイスク
US4626463A (en) * 1984-09-26 1986-12-02 Minnesota Mining And Manufacturing Company Diskette having wear-resistant magnetizable layer
US4596739A (en) * 1985-02-11 1986-06-24 International Business Machines Corporation Rigid magnetic recording media
US4693908A (en) * 1985-08-19 1987-09-15 International Business Machines Corporation Magnetic recording disk with improved lubricant retention
JPH0789407B2 (ja) * 1985-10-15 1995-09-27 日立マクセル株式会社 磁気デイスク
JPH0760508B2 (ja) * 1985-12-10 1995-06-28 ティーディーケイ株式会社 磁気記録ディスクおよびその製造方法
US4985295A (en) * 1987-01-23 1991-01-15 Hitachi, Ltd. Magnetic recording medium and method for producing the same
US4769166A (en) * 1987-06-01 1988-09-06 United Technologies Automotive, Inc. Expandable magnetic sealant
US6013531A (en) * 1987-10-26 2000-01-11 Dade International Inc. Method to use fluorescent magnetic polymer particles as markers in an immunoassay
DE3736998A1 (de) * 1987-10-31 1989-05-11 Basf Ag Magnetischer aufzeichnungstraeger
EP0380710A1 (de) * 1988-12-24 1990-08-08 International Business Machines Corporation Verfahren zur Erhöhung des Schmiermittelaufnahmevermögens bei Magnetplatten
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 (16)

* 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
FR2353110A1 (fr) * 1976-03-12 1977-12-23 Kodak Pathe Nouveau produit d'enregistrement magnetique et procede pour sa preparation
JPS53141003A (en) * 1977-05-16 1978-12-08 Hitachi Ltd Production of magnetic disc
US4152485A (en) * 1977-08-05 1979-05-01 Toyo Boseki Kabushiki Kaisha Magnetic recording medium
JPS5468206A (en) * 1977-11-10 1979-06-01 Sony Corp Magnetic recording medium
US4268556A (en) * 1979-01-08 1981-05-19 Minnesota Mining And Manufacturing Company Rigid magnetic recording disks lubricated with fluorinated telechelic polyether
US4267238A (en) * 1979-12-18 1981-05-12 Minnesota Mining And Manufacturing Company Flexible magnetic recording media lubricated with fluorinated telechelic polyether polymer
JPS563435A (en) * 1979-06-20 1981-01-14 Fujitsu Ltd Manufacture of magnetic recording medium
DE3024918A1 (de) * 1979-07-02 1981-01-22 Fuji Photo Film Co Ltd Magnetisches aufzeichnungsmaterial und verfahren zu dessen herstellung
JPS5625232A (en) * 1979-08-06 1981-03-11 Sony Corp Magnetic recording medium
DE3113859A1 (de) * 1980-04-07 1982-01-28 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Magnetisches aufzeichnungsmaterial
JPS57135441A (en) * 1981-02-13 1982-08-21 Sony Corp Magnetic recording medium
JPS57164436A (en) * 1981-04-02 1982-10-09 Fuji Photo Film Co Ltd Manufacture of magnetic recording medium
US4405684A (en) * 1981-09-21 1983-09-20 International Business Machines Corporation Rigid magnetic coating composition with thermosetting binder for hard file
JPS5862826A (ja) * 1981-10-12 1983-04-14 Toray Ind Inc 磁気記録媒体用ポリエステルフイルム
JPS5990234A (ja) * 1982-11-15 1984-05-24 Hitachi Ltd 磁気デイスク

Also Published As

Publication number Publication date
EP0129721A2 (de) 1985-01-02
JPS6010419A (ja) 1985-01-19
US4546035A (en) 1985-10-08
EP0129721A3 (en) 1986-09-10
EP0129721B1 (de) 1988-08-17

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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