JP6205871B2 - 磁気記録媒体 - Google Patents

磁気記録媒体 Download PDF

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Publication number
JP6205871B2
JP6205871B2 JP2013119187A JP2013119187A JP6205871B2 JP 6205871 B2 JP6205871 B2 JP 6205871B2 JP 2013119187 A JP2013119187 A JP 2013119187A JP 2013119187 A JP2013119187 A JP 2013119187A JP 6205871 B2 JP6205871 B2 JP 6205871B2
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JP
Japan
Prior art keywords
magnetic recording
recording medium
layer
medium according
seed layer
Prior art date
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Active
Application number
JP2013119187A
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English (en)
Japanese (ja)
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JP2014235771A5 (enExample
JP2014235771A (ja
Inventor
淳一 立花
淳一 立花
関口　昇
昇 関口
尾崎　知恵
知恵 尾崎
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
Priority to JP2013119187A priority Critical patent/JP6205871B2/ja
Priority to US14/289,762 priority patent/US20140363700A1/en
Priority to CN201410234952.XA priority patent/CN104240728B/zh
Publication of JP2014235771A publication Critical patent/JP2014235771A/ja
Publication of JP2014235771A5 publication Critical patent/JP2014235771A5/ja
Priority to US15/208,932 priority patent/US10424329B2/en
Application granted granted Critical
Publication of JP6205871B2 publication Critical patent/JP6205871B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • 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
    • 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/78—Tape carriers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2013119187A 2013-06-05 2013-06-05 磁気記録媒体 Active JP6205871B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013119187A JP6205871B2 (ja) 2013-06-05 2013-06-05 磁気記録媒体
US14/289,762 US20140363700A1 (en) 2013-06-05 2014-05-29 Magnetic recording medium
CN201410234952.XA CN104240728B (zh) 2013-06-05 2014-05-29 磁记录介质
US15/208,932 US10424329B2 (en) 2013-06-05 2016-07-13 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013119187A JP6205871B2 (ja) 2013-06-05 2013-06-05 磁気記録媒体

Publications (3)

Publication Number Publication Date
JP2014235771A JP2014235771A (ja) 2014-12-15
JP2014235771A5 JP2014235771A5 (enExample) 2016-03-10
JP6205871B2 true JP6205871B2 (ja) 2017-10-04

Family

ID=52005719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013119187A Active JP6205871B2 (ja) 2013-06-05 2013-06-05 磁気記録媒体

Country Status (3)

Country Link
US (2) US20140363700A1 (enExample)
JP (1) JP6205871B2 (enExample)
CN (1) CN104240728B (enExample)

Families Citing this family (9)

* 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
JP6666994B2 (ja) * 2016-03-11 2020-03-18 株式会社村田製作所 圧電素子、及び圧電素子の製造方法
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
WO2021199453A1 (ja) * 2020-03-31 2021-10-07 ソニーグループ株式会社 磁気記録媒体
JP6819836B1 (ja) * 2020-03-31 2021-01-27 ソニー株式会社 磁気記録媒体
US11776572B2 (en) * 2021-11-16 2023-10-03 Western Digital Technologies, Inc. Magnetic tape having alternating sections for use in ultra-high areal density tape storage systems

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2834392B2 (ja) * 1993-06-23 1998-12-09 ストアメディア インコーポレーテッド 金属薄膜型磁気記録媒体とその製造方法
SG118182A1 (en) * 2002-03-19 2006-01-27 Fuji Electric Co Ltd Method for producing a magnetic recording medium and a magnetic recording medium produced by the method
JP2005043629A (ja) * 2003-07-28 2005-02-17 Ricoh Co Ltd クリーニング装置および画像形成装置
JP2005196885A (ja) * 2004-01-08 2005-07-21 Sony Corp 磁気記録媒体
JP2005353256A (ja) * 2004-05-13 2005-12-22 Fujitsu Ltd 垂直磁気記録媒体およびその製造方法、磁気記憶装置
JP2006079718A (ja) * 2004-09-09 2006-03-23 Fuji Electric Device Technology Co Ltd 垂直磁気記録媒体
WO2006098504A1 (en) * 2005-03-17 2006-09-21 Showa Denko K.K. Production process of magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
CN101138025B (zh) * 2005-03-17 2010-05-19 昭和电工株式会社 磁记录介质的制造方法、磁记录介质、以及磁记录和再现装置
CN101042881A (zh) * 2006-03-24 2007-09-26 富士通株式会社 磁记录介质及其制作方法
JP2009015959A (ja) * 2007-07-04 2009-01-22 Toshiba Corp 垂直磁気記録媒体および磁気記録再生装置
JP2009059431A (ja) * 2007-08-31 2009-03-19 Showa Denko Kk 磁気記録媒体および磁気記録再生装置
JP2009229012A (ja) * 2008-03-24 2009-10-08 Daikin Ind Ltd 冷凍装置
JP2009289360A (ja) * 2008-05-30 2009-12-10 Fujitsu Ltd 垂直磁気記録媒体及び磁気記憶装置
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

Also Published As

Publication number Publication date
US20140363700A1 (en) 2014-12-11
CN104240728B (zh) 2019-01-15
CN104240728A (zh) 2014-12-24
US10424329B2 (en) 2019-09-24
US20170069343A1 (en) 2017-03-09
JP2014235771A (ja) 2014-12-15

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