SG118297A1 - Magnetic recording medium method of producing magnetic recording medium and magnetic storage apparatus - Google Patents

Magnetic recording medium method of producing magnetic recording medium and magnetic storage apparatus

Info

Publication number
SG118297A1
SG118297A1 SG200407198A SG200407198A SG118297A1 SG 118297 A1 SG118297 A1 SG 118297A1 SG 200407198 A SG200407198 A SG 200407198A SG 200407198 A SG200407198 A SG 200407198A SG 118297 A1 SG118297 A1 SG 118297A1
Authority
SG
Singapore
Prior art keywords
recording medium
magnetic recording
magnetic
storage apparatus
producing
Prior art date
Application number
SG200407198A
Other languages
English (en)
Inventor
Sato Kenji
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of SG118297A1 publication Critical patent/SG118297A1/en

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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base 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
    • 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
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling 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
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • G11B5/737—Physical structure of underlayer, e.g. texture
    • 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
    • G11B5/73911—Inorganic substrates
    • G11B5/73921—Glass or ceramic substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
SG200407198A 2004-06-14 2004-11-10 Magnetic recording medium method of producing magnetic recording medium and magnetic storage apparatus SG118297A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004175720A JP2005353236A (ja) 2004-06-14 2004-06-14 磁気記録媒体およびその製造方法、磁気記憶装置

Publications (1)

Publication Number Publication Date
SG118297A1 true SG118297A1 (en) 2006-01-27

Family

ID=34927296

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200407198A SG118297A1 (en) 2004-06-14 2004-11-10 Magnetic recording medium method of producing magnetic recording medium and magnetic storage apparatus

Country Status (7)

Country Link
US (1) US20050276998A1 (ko)
EP (1) EP1607941A1 (ko)
JP (1) JP2005353236A (ko)
KR (1) KR100637107B1 (ko)
CN (1) CN1713275A (ko)
SG (1) SG118297A1 (ko)
TW (1) TW200540819A (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006134533A (ja) * 2004-11-09 2006-05-25 Fujitsu Ltd 磁気記録媒体および磁気記憶装置
JP4786331B2 (ja) 2005-12-21 2011-10-05 株式会社東芝 磁気抵抗効果素子の製造方法
JP4514721B2 (ja) 2006-02-09 2010-07-28 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気抵抗効果ヘッド、磁気記録再生装置及び磁気記憶装置
JP2007299880A (ja) 2006-04-28 2007-11-15 Toshiba Corp 磁気抵抗効果素子，および磁気抵抗効果素子の製造方法
JP4550777B2 (ja) 2006-07-07 2010-09-22 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気ヘッド、磁気記録再生装置及び磁気メモリ
JP2008085220A (ja) * 2006-09-28 2008-04-10 Toshiba Corp 磁気抵抗効果素子、磁気ヘッド、および磁気再生装置
US7670694B2 (en) * 2006-12-22 2010-03-02 Hitachi Global Storage Technologies Netherlands B.V. Media for recording devices
JP4649433B2 (ja) 2007-03-27 2011-03-09 株式会社東芝 磁気抵抗効果素子、磁気ヘッド、磁気記憶装置及び磁気メモリ
JP4388093B2 (ja) 2007-03-27 2009-12-24 株式会社東芝 磁気抵抗効果素子、磁気ヘッド、磁気記録再生装置
JP5039007B2 (ja) 2008-09-26 2012-10-03 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気ヘッドアセンブリ及び磁気記録再生装置
JP5039006B2 (ja) 2008-09-26 2012-10-03 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気ヘッドアセンブリ及び磁気記録再生装置
JP2010080839A (ja) 2008-09-29 2010-04-08 Toshiba Corp 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気ヘッドアセンブリおよび磁気記録再生装置
TWI382408B (zh) * 2008-12-22 2013-01-11 Nat Univ Tsing Hua 垂直記錄媒體
CN205651721U (zh) * 2016-05-12 2016-10-19 邓志军 磁性贴合防偷窥光栅膜

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3803180B2 (ja) 1997-09-25 2006-08-02 富士通株式会社 磁気記録媒体及びその製造方法ならびに磁気ディスク装置
US6586116B1 (en) * 2000-02-09 2003-07-01 Hitachi Global Storage Technologies Netherlands, B.V. Nonmetallic thin film magnetic recording disk with pre-seed layer
US6537684B1 (en) * 2000-08-04 2003-03-25 International Business Machines Corporation Antiferromagnetically coupled magnetic recording media with boron-free first ferromagnetic film as nucleation layer
US6686072B2 (en) * 2000-08-29 2004-02-03 Showa Denko Kabushiki Kaisha Magnetic recording medium, process and apparatus for producing the same, and magnetic recording and reproducing apparatus
JP2002260218A (ja) * 2001-03-05 2002-09-13 Anelva Corp 磁気記録ディスク、磁気記録ディスク製造方法及び磁気記録ディスク製造装置
JP2003073825A (ja) * 2001-08-30 2003-03-12 Anelva Corp 薄膜作成装置
JP3749460B2 (ja) * 2001-09-07 2006-03-01 富士通株式会社 磁気記録媒体及びこれを用いた磁気記憶装置
JP2003263732A (ja) 2002-03-07 2003-09-19 Hitachi Ltd 磁気ディスクの製造方法
JP2004206802A (ja) * 2002-12-25 2004-07-22 Fujitsu Ltd 多結晶構造膜

Also Published As

Publication number Publication date
JP2005353236A (ja) 2005-12-22
KR100637107B1 (ko) 2006-10-23
CN1713275A (zh) 2005-12-28
US20050276998A1 (en) 2005-12-15
KR20050118649A (ko) 2005-12-19
EP1607941A1 (en) 2005-12-21
TW200540819A (en) 2005-12-16

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