CN104134446B - 磁记录介质 - Google Patents

磁记录介质 Download PDF

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Publication number
CN104134446B
CN104134446B CN201410168632.9A CN201410168632A CN104134446B CN 104134446 B CN104134446 B CN 104134446B CN 201410168632 A CN201410168632 A CN 201410168632A CN 104134446 B CN104134446 B CN 104134446B
Authority
CN
China
Prior art keywords
layer
magnetic recording
substrate
recording media
seed layer
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.)
Active
Application number
CN201410168632.9A
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English (en)
Chinese (zh)
Other versions
CN104134446A (zh
Inventor
相泽隆嗣
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of CN104134446A publication Critical patent/CN104134446A/zh
Application granted granted Critical
Publication of CN104134446B publication Critical patent/CN104134446B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier 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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
    • 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
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7379—Seed layer, e.g. at least one non-magnetic layer is specifically adapted as a seed or seeding layer

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
CN201410168632.9A 2013-05-01 2014-04-24 磁记录介质 Active CN104134446B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013096503A JP6186859B2 (ja) 2013-05-01 2013-05-01 磁気記録媒体
JP2013-096503 2013-05-01

Publications (2)

Publication Number Publication Date
CN104134446A CN104134446A (zh) 2014-11-05
CN104134446B true CN104134446B (zh) 2019-01-15

Family

ID=51807097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410168632.9A Active CN104134446B (zh) 2013-05-01 2014-04-24 磁记录介质

Country Status (3)

Country Link
US (2) US20140329112A1 (enExample)
JP (1) JP6186859B2 (enExample)
CN (1) CN104134446B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6186859B2 (ja) 2013-05-01 2017-08-30 ソニー株式会社 磁気記録媒体
JP6307879B2 (ja) 2013-05-17 2018-04-11 ソニー株式会社 磁気記録媒体およびその製造方法
JP6205871B2 (ja) 2013-06-05 2017-10-04 ソニー株式会社 磁気記録媒体
JP6318540B2 (ja) 2013-10-22 2018-05-09 ソニー株式会社 磁気記録媒体
WO2019187731A1 (ja) * 2018-03-30 2019-10-03 ソニー株式会社 磁気記録テープと磁気記録テープカートリッジ
JP2020043133A (ja) * 2018-09-06 2020-03-19 キオクシア株式会社 磁気記憶装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002260215A (ja) * 2001-02-28 2002-09-13 Fuji Electric Co Ltd 記録媒体用基板および記録媒体
US6833173B1 (en) * 1999-09-27 2004-12-21 Fuji Photo Film Co., Ltd. Floppy disk including a seed layer and a primer layer with specified relative properties
JP2005196885A (ja) * 2004-01-08 2005-07-21 Sony Corp 磁気記録媒体
JP2006286106A (ja) * 2005-03-31 2006-10-19 Fujitsu Ltd 垂直磁気記録媒体および磁気記憶装置
CN1303587C (zh) * 2004-04-14 2007-03-07 富士通株式会社 垂直磁记录介质、磁记录器和垂直磁记录介质的制备方法
JP2007164826A (ja) * 2005-12-09 2007-06-28 Fujifilm Corp 磁気記録媒体、磁気記録媒体の製造方法及びターゲット
JP2007257679A (ja) * 2006-03-20 2007-10-04 Fujitsu Ltd 磁気記録媒体、その製造方法、および磁気記憶装置
JP2008210498A (ja) * 2007-01-30 2008-09-11 Toray Ind Inc 強磁性金属薄膜型磁気記録媒体用支持体および強磁性金属薄膜型磁気記録媒体

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003346317A (ja) * 2002-05-23 2003-12-05 Fuji Photo Film Co Ltd 垂直磁気記録媒体
JP2005092991A (ja) * 2003-09-18 2005-04-07 Fuji Photo Film Co Ltd 磁気記録媒体
US8877359B2 (en) * 2008-12-05 2014-11-04 Wd Media (Singapore) Pte. Ltd. Magnetic disk and method for manufacturing same
JP5569111B2 (ja) * 2009-06-23 2014-08-13 ソニー株式会社 磁気記録媒体およびその製造方法
JP6186859B2 (ja) 2013-05-01 2017-08-30 ソニー株式会社 磁気記録媒体
JP6307879B2 (ja) 2013-05-17 2018-04-11 ソニー株式会社 磁気記録媒体およびその製造方法
JP6205871B2 (ja) 2013-06-05 2017-10-04 ソニー株式会社 磁気記録媒体
JP6318540B2 (ja) 2013-10-22 2018-05-09 ソニー株式会社 磁気記録媒体

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6833173B1 (en) * 1999-09-27 2004-12-21 Fuji Photo Film Co., Ltd. Floppy disk including a seed layer and a primer layer with specified relative properties
JP2002260215A (ja) * 2001-02-28 2002-09-13 Fuji Electric Co Ltd 記録媒体用基板および記録媒体
JP2005196885A (ja) * 2004-01-08 2005-07-21 Sony Corp 磁気記録媒体
CN1303587C (zh) * 2004-04-14 2007-03-07 富士通株式会社 垂直磁记录介质、磁记录器和垂直磁记录介质的制备方法
JP2006286106A (ja) * 2005-03-31 2006-10-19 Fujitsu Ltd 垂直磁気記録媒体および磁気記憶装置
JP2007164826A (ja) * 2005-12-09 2007-06-28 Fujifilm Corp 磁気記録媒体、磁気記録媒体の製造方法及びターゲット
JP2007257679A (ja) * 2006-03-20 2007-10-04 Fujitsu Ltd 磁気記録媒体、その製造方法、および磁気記憶装置
JP2008210498A (ja) * 2007-01-30 2008-09-11 Toray Ind Inc 強磁性金属薄膜型磁気記録媒体用支持体および強磁性金属薄膜型磁気記録媒体

Also Published As

Publication number Publication date
US20140329112A1 (en) 2014-11-06
CN104134446A (zh) 2014-11-05
JP6186859B2 (ja) 2017-08-30
JP2014220022A (ja) 2014-11-20
US10311908B2 (en) 2019-06-04
US20160099018A1 (en) 2016-04-07

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