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DE69622062D1 - Magnetischer Aufzeichnungsträger - Google Patents

Magnetischer Aufzeichnungsträger

Info

Publication number
DE69622062D1
DE69622062D1 DE69622062T DE69622062T DE69622062D1 DE 69622062 D1 DE69622062 D1 DE 69622062D1 DE 69622062 T DE69622062 T DE 69622062T DE 69622062 T DE69622062 T DE 69622062T DE 69622062 D1 DE69622062 D1 DE 69622062D1
Authority
DE
Germany
Prior art keywords
record carrier
magnetic record
magnetic
carrier
record
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 - Lifetime
Application number
DE69622062T
Other languages
English (en)
Other versions
DE69622062T2 (de
Inventor
Yutaka Kakuishi
Kenichi Masuyama
Kiyomi Ejiri
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 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 DE69622062D1 publication Critical patent/DE69622062D1/de
Application granted granted Critical
Publication of DE69622062T2 publication Critical patent/DE69622062T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/712—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 surface treatment or coating of magnetic particles
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/733—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the addition of non-magnetic particles
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/733—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the addition of non-magnetic particles
    • G11B5/7334—Base layer characterised by composition or structure
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/932—Specified use of nanostructure for electronic or optoelectronic application
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • 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
DE69622062T 1995-02-21 1996-02-16 Magnetischer Aufzeichnungsträger Expired - Lifetime DE69622062T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05517495A JP3765428B2 (ja) 1995-02-21 1995-02-21 磁気記録システム

Publications (2)

Publication Number Publication Date
DE69622062D1 true DE69622062D1 (de) 2002-08-08
DE69622062T2 DE69622062T2 (de) 2002-10-31

Family

ID=12991370

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69622062T Expired - Lifetime DE69622062T2 (de) 1995-02-21 1996-02-16 Magnetischer Aufzeichnungsträger

Country Status (4)

Country Link
US (1) US5904979A (de)
EP (1) EP0729135B1 (de)
JP (1) JP3765428B2 (de)
DE (1) DE69622062T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2319253A (en) * 1996-11-16 1998-05-20 Eric Leigh Mayes Composition, for use in a device, comprising a magnetic layer of domain-separated magnetic particles
JPH10302243A (ja) * 1997-04-30 1998-11-13 Fuji Photo Film Co Ltd 磁気記録媒体
JPH11250449A (ja) * 1998-02-27 1999-09-17 Fuji Photo Film Co Ltd 磁気テープ
US6607806B2 (en) * 1999-12-09 2003-08-19 Fuji Photo Film Co., Ltd. Magnetic recording medium
US6703107B2 (en) 2001-05-31 2004-03-09 Fuji Photo Film Co., Ltd. Magnetic tape
JP2003016630A (ja) * 2001-06-27 2003-01-17 Fuji Photo Film Co Ltd 磁気記録再生方法
JP2003338023A (ja) 2002-05-17 2003-11-28 Fuji Photo Film Co Ltd 磁気記録媒体
JP2004171613A (ja) 2002-11-18 2004-06-17 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法
US7173313B2 (en) * 2003-03-17 2007-02-06 Nxp B.V. Semiconductor device with insulating layer having ion-coated nanoparticles
JP4547527B2 (ja) * 2003-05-08 2010-09-22 Ｄｏｗａエレクトロニクス株式会社 磁性粉末およびそれを用いた磁気記録媒体並びに磁性粉末の表面処理法
JP4194450B2 (ja) * 2003-08-27 2008-12-10 富士フイルム株式会社 磁気記録再生方法および磁気記録媒体
US7438983B2 (en) 2004-01-30 2008-10-21 Fujifilm Corporation Magnetic recording medium
US7368188B2 (en) 2004-01-30 2008-05-06 Fujifilm Corporation Magnetic recording medium
US7532425B2 (en) * 2005-06-21 2009-05-12 Fujifilm Corporation Reproducing method, reproducing apparatus, recording and reproducing apparatus, and magnetic recording medium
JP2007188613A (ja) * 2006-01-16 2007-07-26 Fujifilm Corp 磁気記録媒体及びその製造方法
US20070224458A1 (en) * 2006-03-24 2007-09-27 Fujifilm Corporation Magnetic recording medium
US20070230054A1 (en) * 2006-03-29 2007-10-04 Fujifilm Corporation Magnetic tape
JP2007265574A (ja) * 2006-03-29 2007-10-11 Fujifilm Corp 磁気記録媒体
US20070231613A1 (en) * 2006-03-30 2007-10-04 Fujifilm Corporation Magnetic recording medium
JP2007273037A (ja) * 2006-03-31 2007-10-18 Fujifilm Corp 磁気記録媒体およびその製造方法
US20090220823A1 (en) * 2008-02-29 2009-09-03 Toda Kogyo Corporation Ferromagnetic metal particles and process for producing the same, and magnetic recording medium
EP2996731A4 (de) 2013-05-14 2016-12-14 Eco Sports Llc Kontrollierbares abbaubares thermoplastisches polyurethan und overgrips daraus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630790A (en) * 1969-05-13 1971-12-28 Dow Chemical Co Method of protection of metal surfaces from corrosion
JPS5979431A (ja) * 1982-10-29 1984-05-08 Konishiroku Photo Ind Co Ltd 磁気記録媒体
US4550054A (en) * 1982-10-29 1985-10-29 Konishiroku Photo Industry Co., Ltd. Magnetic recording medium
US4584243A (en) * 1982-11-01 1986-04-22 Sumitomo Chemical Company, Limited Abrasive, production thereof and use thereof in magnetic recording medium
ATE36088T1 (de) * 1984-12-21 1988-08-15 Siemens Ag Duennfilm-magnetkopf auf einem nicht-magnetischen substrat zur senkrechten magnetisierung.
JPH01267839A (ja) * 1988-04-18 1989-10-25 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法
US5244736A (en) * 1990-03-26 1993-09-14 Fuji Photo Film Co., Ltd. Magnetic recording medium having multiple magnetic layers with specified compositions
JP2676643B2 (ja) * 1990-04-19 1997-11-17 富士写真フイルム株式会社 磁気記録媒体及びその製造方法
US5390061A (en) * 1990-06-08 1995-02-14 Hitachi, Ltd. Multilayer magnetoresistance effect-type magnetic head
JP2566096B2 (ja) * 1992-04-14 1996-12-25 富士写真フイルム株式会社 磁気記録媒体
EP0627729A3 (en) * 1993-05-31 1995-11-02 Tdk Corp Magnetic recording/reproducing method.

Also Published As

Publication number Publication date
EP0729135B1 (de) 2002-07-03
US5904979A (en) 1999-05-18
EP0729135A3 (de) 1996-12-04
JP3765428B2 (ja) 2006-04-12
EP0729135A2 (de) 1996-08-28
JPH08227517A (ja) 1996-09-03
DE69622062T2 (de) 2002-10-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJIFILM CORP., TOKIO/TOKYO, JP