DE69402216D1 - Magnetisches Aufzeichnungsmedium - Google Patents

Magnetisches Aufzeichnungsmedium

Info

Publication number
DE69402216D1
DE69402216D1 DE69402216T DE69402216T DE69402216D1 DE 69402216 D1 DE69402216 D1 DE 69402216D1 DE 69402216 T DE69402216 T DE 69402216T DE 69402216 T DE69402216 T DE 69402216T DE 69402216 D1 DE69402216 D1 DE 69402216D1
Authority
DE
Germany
Prior art keywords
recording medium
magnetic recording
magnetic
medium
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 - Lifetime
Application number
DE69402216T
Other languages
English (en)
Other versions
DE69402216T2 (de
Inventor
Shinji Saito
Nobuo Yamazaki
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 DE69402216D1 publication Critical patent/DE69402216D1/de
Application granted granted Critical
Publication of DE69402216T2 publication Critical patent/DE69402216T2/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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/852—Orientation 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
    • G11B5/716—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 two or more magnetic layers
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/848—Coating a support with a magnetic layer by extrusion
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • 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
DE69402216T 1993-01-13 1994-01-12 Magnetisches Aufzeichnungsmedium Expired - Lifetime DE69402216T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05004206A JP3106271B2 (ja) 1993-01-13 1993-01-13 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE69402216D1 true DE69402216D1 (de) 1997-04-30
DE69402216T2 DE69402216T2 (de) 1997-07-31

Family

ID=11578174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69402216T Expired - Lifetime DE69402216T2 (de) 1993-01-13 1994-01-12 Magnetisches Aufzeichnungsmedium

Country Status (4)

Country Link
US (1) US5597638A (de)
EP (1) EP0606904B1 (de)
JP (1) JP3106271B2 (de)
DE (1) DE69402216T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3183297B2 (ja) * 1994-08-19 2001-07-09 旭化成株式会社 芳香族ポリアミドフィルムの製造方法
JPH08147665A (ja) 1994-11-11 1996-06-07 Hitachi Ltd 磁気記録媒体及びこれを用いた磁気記憶装置
JPH08263826A (ja) † 1995-03-23 1996-10-11 Tdk Corp 磁気記録媒体
US5776590A (en) * 1995-04-04 1998-07-07 Kao Corporation Magnetic recording medium
JPH09293232A (ja) * 1996-04-24 1997-11-11 Fuji Photo Film Co Ltd 磁気記録媒体
JPH1025115A (ja) * 1996-07-04 1998-01-27 Sony Corp 酸化鉄系磁性粉末及びこれを用いた磁気記録媒体
US6579592B1 (en) 1996-11-29 2003-06-17 Fuji Photo Film Co., Ltd Magnetic recording tape with controlled Hc and magnetic flux/unit area value and controlled Cl/Fe intensity
WO1998035345A1 (fr) 1997-02-10 1998-08-13 Fuji Photo Film Co., Ltd. Support d'enregistrement magnetique
US6432503B2 (en) 1997-03-31 2002-08-13 Fuji Photo Film Co., Ltd. Magnetic recording medium
EP0889464B1 (de) 1997-06-30 2003-09-03 Fuji Photo Film Co., Ltd. Magnetisches Aufzeichnungsmedium
US6096406A (en) * 1997-07-15 2000-08-01 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPH11185240A (ja) 1997-10-14 1999-07-09 Fuji Photo Film Co Ltd 磁気記録媒体
US6444290B1 (en) 1998-06-11 2002-09-03 Fuji Photo Film Co., Ltd. Magnetic recording medium comprising a support containing a specific size filler and having a specific concentration of surface protrusions
JP2000011352A (ja) 1998-06-22 2000-01-14 Fuji Photo Film Co Ltd 磁気記録媒体
JP2001297423A (ja) * 2000-04-10 2001-10-26 Fuji Photo Film Co Ltd 磁気記録媒体
JP2002092854A (ja) * 2000-09-14 2002-03-29 Fuji Photo Film Co Ltd 磁気記録媒体及び信号記録方式
US6990904B2 (en) * 2000-10-31 2006-01-31 International Imaging Materials, Inc Thermal transfer assembly for ceramic imaging
US6854386B2 (en) * 2000-10-31 2005-02-15 International Imaging Materials Inc. Ceramic decal assembly
US6796733B2 (en) 2000-10-31 2004-09-28 International Imaging Materials Inc. Thermal transfer ribbon with frosting ink layer
JP4141972B2 (ja) * 2004-02-26 2008-08-27 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ アクチュエータ・ヘッド・サスペンション・アセンブリの組立方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448504A (en) * 1977-09-21 1979-04-17 Tdk Corp Magnetic recording medium
JPS56145525A (en) * 1980-04-11 1981-11-12 Tdk Corp Magnetic recording medium
JPS57195329A (en) * 1981-05-26 1982-12-01 Fuji Photo Film Co Ltd Magnetic recording medium
JPS6069822A (ja) * 1983-08-19 1985-04-20 Toshiba Corp 磁気記録媒体
GB2173811B (en) * 1985-04-05 1988-08-24 Tdk Corp Magnetic recording medium
JP2640268B2 (ja) * 1989-03-14 1997-08-13 富士写真フイルム株式会社 磁気記録媒体
US5188907A (en) * 1991-01-03 1993-02-23 Konica Corporation Magnetic recording medium

Also Published As

Publication number Publication date
JPH06215351A (ja) 1994-08-05
EP0606904B1 (de) 1997-03-26
JP3106271B2 (ja) 2000-11-06
EP0606904A1 (de) 1994-07-20
DE69402216T2 (de) 1997-07-31
US5597638A (en) 1997-01-28

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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