JP2003317226A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JP2003317226A
JP2003317226A JP2002113869A JP2002113869A JP2003317226A JP 2003317226 A JP2003317226 A JP 2003317226A JP 2002113869 A JP2002113869 A JP 2002113869A JP 2002113869 A JP2002113869 A JP 2002113869A JP 2003317226 A JP2003317226 A JP 2003317226A
Authority
JP
Japan
Prior art keywords
magnetic
powder
layer
resin
nonmagnetic
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.)
Abandoned
Application number
JP2002113869A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003317226A5 (enExample
Inventor
Katsuhiko Meguro
克彦 目黒
Masatoshi Takahashi
昌敏 高橋
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 Holdings 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
Priority to JP2002113869A priority Critical patent/JP2003317226A/ja
Priority to US10/413,483 priority patent/US6890646B2/en
Publication of JP2003317226A publication Critical patent/JP2003317226A/ja
Publication of JP2003317226A5 publication Critical patent/JP2003317226A5/ja
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/714Record 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 dimension of the magnetic particles
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/733Base 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/739Magnetic recording media substrates
    • G11B5/73923Organic polymer substrates
    • G11B5/73925Composite or coated non-esterified substrates
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/251Mica
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256Heavy metal or aluminum or compound thereof
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256Heavy metal or aluminum or compound thereof
    • Y10T428/257Iron oxide or aluminum oxide
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259Silicic material

Landscapes

  • Magnetic Record Carriers (AREA)
JP2002113869A 2002-04-16 2002-04-16 磁気記録媒体 Abandoned JP2003317226A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002113869A JP2003317226A (ja) 2002-04-16 2002-04-16 磁気記録媒体
US10/413,483 US6890646B2 (en) 2002-04-16 2003-04-15 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002113869A JP2003317226A (ja) 2002-04-16 2002-04-16 磁気記録媒体

Publications (2)

Publication Number Publication Date
JP2003317226A true JP2003317226A (ja) 2003-11-07
JP2003317226A5 JP2003317226A5 (enExample) 2005-08-25

Family

ID=29533496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002113869A Abandoned JP2003317226A (ja) 2002-04-16 2002-04-16 磁気記録媒体

Country Status (2)

Country Link
US (1) US6890646B2 (enExample)
JP (1) JP2003317226A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004319015A (ja) * 2003-04-17 2004-11-11 Tdk Corp 磁気記録媒体及びその製造方法
JP4717331B2 (ja) * 2003-04-17 2011-07-06 Tdk株式会社 磁気記録媒体
US7368188B2 (en) * 2004-01-30 2008-05-06 Fujifilm Corporation Magnetic recording medium

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3789518T2 (de) * 1986-01-31 1994-10-27 Toray Industries Verbundfolie und antistatische Verbundfolie.
WO1997011998A1 (fr) * 1995-09-26 1997-04-03 Showa Denko K.K. Procede de preparation d'une composition de resine contenant une charge inorganique
EP0899308B1 (en) * 1996-05-13 2004-11-03 Kaneka Corporation Thermoplastic resin composition containing silane-treated foliated phyllosilicate and method for producing the same
US6432503B2 (en) * 1997-03-31 2002-08-13 Fuji Photo Film Co., Ltd. Magnetic recording medium
US6548587B1 (en) * 1998-12-07 2003-04-15 University Of South Carolina Research Foundation Polyamide composition comprising a layered clay material modified with an alkoxylated onium compound
JP2000336186A (ja) * 1999-05-31 2000-12-05 Toray Ind Inc 芳香族ポリアミドフィルムとその製造方法及びそれを用いた磁気記録媒体と磁気テープ
US6339121B1 (en) * 2000-03-14 2002-01-15 The Research Foundation At State University Of New York Compatibilizer for immiscible polymer blends
JP2001297423A (ja) * 2000-04-10 2001-10-26 Fuji Photo Film Co Ltd 磁気記録媒体
JP2003535204A (ja) * 2000-05-30 2003-11-25 ユニバーシティ オブ サウスカロライナ リサーチ ファウンデーション マトリックスポリマーおよび抽出可能な物質のレベルが改善された層状粘土物質を含むポリマーナノ複合材

Also Published As

Publication number Publication date
US20030232217A1 (en) 2003-12-18
US6890646B2 (en) 2005-05-10

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