JP4396371B2 - 磁気記録媒体 - Google Patents

磁気記録媒体 Download PDF

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Publication number
JP4396371B2
JP4396371B2 JP2004118526A JP2004118526A JP4396371B2 JP 4396371 B2 JP4396371 B2 JP 4396371B2 JP 2004118526 A JP2004118526 A JP 2004118526A JP 2004118526 A JP2004118526 A JP 2004118526A JP 4396371 B2 JP4396371 B2 JP 4396371B2
Authority
JP
Japan
Prior art keywords
layer
radiation
magnetic
powder
compound
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 - Fee Related
Application number
JP2004118526A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005302181A5 (enExample
JP2005302181A (ja
Inventor
裕一郎 村山
博司 橋本
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
Fujifilm 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 Fujifilm Corp filed Critical Fujifilm Corp
Priority to JP2004118526A priority Critical patent/JP4396371B2/ja
Priority to US11/104,552 priority patent/US7501194B2/en
Priority to EP05008045A priority patent/EP1587070A1/en
Publication of JP2005302181A publication Critical patent/JP2005302181A/ja
Publication of JP2005302181A5 publication Critical patent/JP2005302181A5/ja
Application granted granted Critical
Publication of JP4396371B2 publication Critical patent/JP4396371B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/73—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
    • 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
    • G11B5/68—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
    • G11B5/7026—Radiation curable polymers
    • 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
    • G11B5/714—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 dimension of the magnetic particles

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
JP2004118526A 2004-04-14 2004-04-14 磁気記録媒体 Expired - Fee Related JP4396371B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004118526A JP4396371B2 (ja) 2004-04-14 2004-04-14 磁気記録媒体
US11/104,552 US7501194B2 (en) 2004-04-14 2005-04-13 Magnetic recording media with non-magnetic support and radiation cured layer
EP05008045A EP1587070A1 (en) 2004-04-14 2005-04-13 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004118526A JP4396371B2 (ja) 2004-04-14 2004-04-14 磁気記録媒体

Publications (3)

Publication Number Publication Date
JP2005302181A JP2005302181A (ja) 2005-10-27
JP2005302181A5 JP2005302181A5 (enExample) 2007-04-19
JP4396371B2 true JP4396371B2 (ja) 2010-01-13

Family

ID=34935090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004118526A Expired - Fee Related JP4396371B2 (ja) 2004-04-14 2004-04-14 磁気記録媒体

Country Status (3)

Country Link
US (1) US7501194B2 (enExample)
EP (1) EP1587070A1 (enExample)
JP (1) JP4396371B2 (enExample)

Families Citing this family (9)

* 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
US20060159963A1 (en) * 2005-01-14 2006-07-20 Imation Corp. Magnetic recording medium having low broadband noise
US20100143751A1 (en) * 2005-01-14 2010-06-10 Imation Corp. Magnetic recording media having low broadband noise
JP5424796B2 (ja) * 2009-09-29 2014-02-26 富士フイルム株式会社 磁気記録媒体用結合剤、磁気記録媒体用組成物、および磁気記録媒体
TWI455956B (zh) 2012-11-21 2014-10-11 Ind Tech Res Inst 非晶系共聚酯、基材、及光學膜
US9336808B2 (en) 2013-01-31 2016-05-10 Hewlett Packard Enterprise Development Lp Magnetic tape processing
KR20150010519A (ko) 2013-07-19 2015-01-28 삼성전자주식회사 연자성 자기교환결합 복합 구조체 및 이를 포함한 고주파소자 부품, 안테나 모듈 및 자기저항소자
JP6318110B2 (ja) 2015-03-25 2018-04-25 富士フイルム株式会社 磁気記録媒体用組成物、磁気記録媒体の製造方法および磁気記録媒体
CN109575263B (zh) * 2017-09-29 2021-05-11 中国石油化工股份有限公司 低端羧基含量聚丁二酸-共-己二酸-丁二醇酯的制备方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5740747A (en) 1980-08-25 1982-03-06 Sony Corp Magnetic recording medium
JPS58146023A (ja) 1982-02-05 1983-08-31 Toyo Ink Mfg Co Ltd 磁気記録媒体
JPS6079525A (ja) 1983-10-05 1985-05-07 Fuji Photo Film Co Ltd 磁気記録媒体
US4664965A (en) * 1983-12-22 1987-05-12 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS60150227A (ja) 1984-01-18 1985-08-07 Fuji Photo Film Co Ltd 磁気記録媒体
US4717623A (en) * 1986-01-14 1988-01-05 Desoto, Inc. Radiation-curable coating compositions applied to fluorine-treated surfaces
JPS63161527A (ja) * 1986-12-25 1988-07-05 Toshiba Corp 磁気記録媒体の製造方法
JPH064854A (ja) * 1992-06-17 1994-01-14 Fuji Photo Film Co Ltd 磁気記録媒体
JP2001084582A (ja) 1999-09-13 2001-03-30 Tdk Corp 磁気記録媒体
US6440860B1 (en) * 2000-01-18 2002-08-27 Micron Technology, Inc. Semiconductor processing methods of transferring patterns from patterned photoresists to materials, and structures comprising silicon nitride
JP2002352410A (ja) * 2001-05-22 2002-12-06 Fuji Photo Film Co Ltd 磁気記録媒体
JP2003016628A (ja) * 2001-07-02 2003-01-17 Fuji Photo Film Co Ltd 磁気記録媒体
US7344786B2 (en) * 2001-10-29 2008-03-18 Fujifilm Corporation Magnetic recording medium including a smooth coating layer on one side of the support
JP4243054B2 (ja) * 2001-10-31 2009-03-25 富士フイルム株式会社 磁気記録媒体
US6999255B2 (en) * 2001-11-09 2006-02-14 Fuji Photo Film Co., Ltd. Magnetic recording and reproducing system and magnetic recording medium used therein
JP4038416B2 (ja) * 2002-09-20 2008-01-23 富士フイルム株式会社 磁気記録媒体
JP2004288301A (ja) * 2003-03-24 2004-10-14 Fuji Photo Film Co Ltd 磁気記録媒体

Also Published As

Publication number Publication date
US7501194B2 (en) 2009-03-10
EP1587070A1 (en) 2005-10-19
US20050233179A1 (en) 2005-10-20
JP2005302181A (ja) 2005-10-27

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