DE60311738D1 - Magnetisches Aufzeichnungsmittel - Google Patents

Magnetisches Aufzeichnungsmittel

Info

Publication number
DE60311738D1
DE60311738D1 DE60311738T DE60311738T DE60311738D1 DE 60311738 D1 DE60311738 D1 DE 60311738D1 DE 60311738 T DE60311738 T DE 60311738T DE 60311738 T DE60311738 T DE 60311738T DE 60311738 D1 DE60311738 D1 DE 60311738D1
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
DE60311738T
Other languages
English (en)
Other versions
DE60311738T2 (de
Inventor
Yuichiro Murayama
Hiroshi Hashimoto
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
Application granted granted Critical
Publication of DE60311738D1 publication Critical patent/DE60311738D1/de
Publication of DE60311738T2 publication Critical patent/DE60311738T2/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
    • G11B5/716—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
    • G11B5/68—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
    • G11B5/7021—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 containing a polyurethane or a polyisocyanate
    • 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
DE60311738T 2002-12-03 2003-12-03 Magnetisches Aufzeichnungsmittel Expired - Lifetime DE60311738T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002351123A JP2004185713A (ja) 2002-12-03 2002-12-03 磁気記録媒体
JP2002351123 2002-12-03

Publications (2)

Publication Number Publication Date
DE60311738D1 true DE60311738D1 (de) 2007-03-29
DE60311738T2 DE60311738T2 (de) 2007-11-15

Family

ID=32310694

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60311738T Expired - Lifetime DE60311738T2 (de) 2002-12-03 2003-12-03 Magnetisches Aufzeichnungsmittel

Country Status (4)

Country Link
US (1) US7348079B2 (de)
EP (1) EP1426927B1 (de)
JP (1) JP2004185713A (de)
DE (1) DE60311738T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004185713A (ja) * 2002-12-03 2004-07-02 Fuji Photo Film Co Ltd 磁気記録媒体
JP2006040472A (ja) * 2004-07-29 2006-02-09 Fuji Photo Film Co Ltd 磁気記録媒体
JP2006092693A (ja) * 2004-09-27 2006-04-06 Fuji Photo Film Co Ltd 磁気記録媒体
JP4321431B2 (ja) * 2004-10-19 2009-08-26 富士フイルム株式会社 磁気記録媒体
KR101355854B1 (ko) * 2011-12-16 2014-01-29 제일모직주식회사 이방성 도전 필름
TWI455956B (zh) 2012-11-21 2014-10-11 Ind Tech Res Inst 非晶系共聚酯、基材、及光學膜

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JPS6052922A (ja) * 1983-09-02 1985-03-26 Tdk Corp 磁気記録媒体
JPS6079520A (ja) * 1983-10-04 1985-05-07 Tdk Corp 磁気記録媒体
JPS6079521A (ja) * 1983-10-04 1985-05-07 Tdk Corp 磁気記録媒体
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JPS60109020A (ja) * 1983-11-17 1985-06-14 Tdk Corp 磁気記録媒体およびその製造方法
JPS60133529A (ja) 1983-12-22 1985-07-16 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60133530A (ja) 1983-12-22 1985-07-16 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0618067B2 (ja) * 1984-02-13 1994-03-09 日本ビクター株式会社 磁気記録媒体
US4689269A (en) * 1984-04-14 1987-08-25 Victor Company Of Japan, Ltd. Magnetic recording medium comprising a specific type of copolymer binder
US4933221A (en) * 1984-07-31 1990-06-12 Canon Kabushiki Kaisha Optical recording device
US4842942A (en) * 1984-08-15 1989-06-27 Toyo Boseki Kabushiki Kaisha Magnetic recording medium
US4702959A (en) * 1985-03-19 1987-10-27 Tdk Corporation Magnetic recording medium
JP2500934B2 (ja) * 1985-03-27 1996-05-29 ティーディーケイ株式会社 磁気記録媒体
JPH0760511B2 (ja) * 1985-06-26 1995-06-28 株式会社東芝 高耐久性磁気記録媒体
JPS62183023A (ja) * 1986-02-05 1987-08-11 Tdk Corp 磁気記録媒体
JPS62227745A (ja) * 1986-03-31 1987-10-06 ダイアホイルヘキスト株式会社 磁気記録媒体
US4801392A (en) * 1987-07-02 1989-01-31 The Mead Corporation Magnetic recording compositions containing ionic dye compounds as initiators
JPH08263826A (ja) * 1995-03-23 1996-10-11 Tdk Corp 磁気記録媒体
JP4090523B2 (ja) 1995-10-16 2008-05-28 富士フイルム株式会社 磁気記録媒体
US6331342B1 (en) * 1996-07-08 2001-12-18 Sony Corporation Magnetic recording medium
US6074724A (en) * 1996-08-26 2000-06-13 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPH10124848A (ja) 1996-08-27 1998-05-15 Fuji Photo Film Co Ltd 磁気記録媒体
JP3825151B2 (ja) 1997-09-26 2006-09-20 富士写真フイルム株式会社 磁気記録媒体
JP2001131258A (ja) 1999-11-01 2001-05-15 Toyobo Co Ltd 磁気記録媒体用熱可塑性ポリウレタン樹脂
JP2001006146A (ja) 1999-06-23 2001-01-12 Sony Corp 磁気記録媒体
JP3862898B2 (ja) * 1999-09-10 2006-12-27 Ｔｄｋ株式会社 磁気記録媒体及び磁気記録媒体の製造方法
JP2001134920A (ja) 1999-11-04 2001-05-18 Sony Corp 磁気記録媒体
JP2002025033A (ja) * 2000-07-03 2002-01-25 Fuji Photo Film Co Ltd 磁気ディスク
JP4556299B2 (ja) 2000-07-12 2010-10-06 ソニー株式会社 磁気記録媒体
JP2002042325A (ja) * 2000-07-24 2002-02-08 Fuji Photo Film Co Ltd 磁気記録媒体
US6610426B2 (en) * 2000-10-12 2003-08-26 Fuji Photo Film Co., Ltd. Magnetic recording medium containing a binder of trifunctional or higher aliphatic (meth) acrylate compound
JP2002183929A (ja) * 2000-12-18 2002-06-28 Fuji Photo Film Co Ltd 磁気記録媒体
US6767613B2 (en) * 2001-10-09 2004-07-27 Fuji Photo Film Co., Ltd. Magnetic recording medium
JP4243054B2 (ja) * 2001-10-31 2009-03-25 富士フイルム株式会社 磁気記録媒体
JP3781291B2 (ja) * 2002-03-25 2006-05-31 富士写真フイルム株式会社 磁気記録媒体
JP2003296920A (ja) * 2002-03-29 2003-10-17 Tdk Corp 磁気記録媒体及びその製造方法
JP2004185713A (ja) * 2002-12-03 2004-07-02 Fuji Photo Film Co Ltd 磁気記録媒体
JP4045498B2 (ja) * 2003-03-25 2008-02-13 富士フイルム株式会社 磁気記録媒体
JP2004303328A (ja) * 2003-03-31 2004-10-28 Fuji Photo Film Co Ltd 磁気記録媒体
JP2004319015A (ja) * 2003-04-17 2004-11-11 Tdk Corp 磁気記録媒体及びその製造方法
JP2005129141A (ja) * 2003-10-23 2005-05-19 Fuji Photo Film Co Ltd 磁気記録媒体及びその製造方法
JP2005129150A (ja) * 2003-10-23 2005-05-19 Fuji Photo Film Co Ltd 磁気記録媒体
JP2005129184A (ja) * 2003-10-27 2005-05-19 Fuji Photo Film Co Ltd 磁気記録媒体
JP2005149623A (ja) * 2003-11-17 2005-06-09 Tdk Corp 磁気記録媒体
JP4396371B2 (ja) * 2004-04-14 2010-01-13 富士フイルム株式会社 磁気記録媒体
JP4534574B2 (ja) * 2004-04-23 2010-09-01 富士フイルム株式会社 磁気記録媒体
US7553565B2 (en) * 2004-07-08 2009-06-30 Fujifilm Corporation Magnetic recording medium
JP2006040472A (ja) * 2004-07-29 2006-02-09 Fuji Photo Film Co Ltd 磁気記録媒体
JP2006092693A (ja) * 2004-09-27 2006-04-06 Fuji Photo Film Co Ltd 磁気記録媒体
JP4321431B2 (ja) * 2004-10-19 2009-08-26 富士フイルム株式会社 磁気記録媒体
JP4321461B2 (ja) * 2005-02-28 2009-08-26 富士フイルム株式会社 磁気記録媒体
JP2006294095A (ja) * 2005-04-07 2006-10-26 Fuji Photo Film Co Ltd 磁気記録媒体及びその製造方法
US20070059563A1 (en) * 2005-09-13 2007-03-15 Fuji Photo Film Co., Ltd. Magnetic recording medium

Also Published As

Publication number Publication date
US20040110038A1 (en) 2004-06-10
EP1426927A1 (de) 2004-06-09
JP2004185713A (ja) 2004-07-02
DE60311738T2 (de) 2007-11-15
US7348079B2 (en) 2008-03-25
EP1426927B1 (de) 2007-02-14

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

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

8364 No opposition during term of opposition