JP4297585B2 - 磁気記録再生装置 - Google Patents

磁気記録再生装置 Download PDF

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Publication number
JP4297585B2
JP4297585B2 JP2000051917A JP2000051917A JP4297585B2 JP 4297585 B2 JP4297585 B2 JP 4297585B2 JP 2000051917 A JP2000051917 A JP 2000051917A JP 2000051917 A JP2000051917 A JP 2000051917A JP 4297585 B2 JP4297585 B2 JP 4297585B2
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JP
Japan
Prior art keywords
magnetic
magnetic recording
backing
layer
pole
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
JP2000051917A
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English (en)
Japanese (ja)
Other versions
JP2001243602A5 (enExample
JP2001243602A (ja
Inventor
靖孝 西田
公史 ▲高▼野
正文 望月
Original Assignee
株式会社日立グローバルストレージテクノロジーズ
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 株式会社日立グローバルストレージテクノロジーズ filed Critical 株式会社日立グローバルストレージテクノロジーズ
Priority to JP2000051917A priority Critical patent/JP4297585B2/ja
Priority to US09/785,417 priority patent/US6657813B2/en
Publication of JP2001243602A publication Critical patent/JP2001243602A/ja
Priority to US10/677,302 priority patent/US7088548B2/en
Publication of JP2001243602A5 publication Critical patent/JP2001243602A5/ja
Application granted granted Critical
Publication of JP4297585B2 publication Critical patent/JP4297585B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • 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
    • G11B5/667—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers including a soft magnetic 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
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0026—Pulse recording
    • G11B2005/0029—Pulse recording using magnetisation components of the recording layer disposed mainly perpendicularly to the record carrier surface
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/488—Disposition of heads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31826—Of natural rubber

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Record Carriers (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP2000051917A 2000-02-28 2000-02-28 磁気記録再生装置 Expired - Fee Related JP4297585B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000051917A JP4297585B2 (ja) 2000-02-28 2000-02-28 磁気記録再生装置
US09/785,417 US6657813B2 (en) 2000-02-28 2001-02-20 Perpendicular magnetic recording system
US10/677,302 US7088548B2 (en) 2000-02-28 2003-10-03 Perpendicular magnetic recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000051917A JP4297585B2 (ja) 2000-02-28 2000-02-28 磁気記録再生装置

Publications (3)

Publication Number Publication Date
JP2001243602A JP2001243602A (ja) 2001-09-07
JP2001243602A5 JP2001243602A5 (enExample) 2006-10-05
JP4297585B2 true JP4297585B2 (ja) 2009-07-15

Family

ID=18573507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000051917A Expired - Fee Related JP4297585B2 (ja) 2000-02-28 2000-02-28 磁気記録再生装置

Country Status (2)

Country Link
US (2) US6657813B2 (enExample)
JP (1) JP4297585B2 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4297585B2 (ja) * 2000-02-28 2009-07-15 株式会社日立グローバルストレージテクノロジーズ 磁気記録再生装置
JP4112789B2 (ja) * 2000-09-21 2008-07-02 株式会社東芝 垂直磁気記録方式の磁気ディスク装置
US6687085B2 (en) 2001-07-17 2004-02-03 Seagate Technology Llc Perpendicular write head with high magnetization pole material and method of fabricating the write head
JP4084008B2 (ja) * 2001-08-03 2008-04-30 株式会社日立グローバルストレージテクノロジーズ 薄膜磁気ヘッド及びその製造方法、並びに磁気ディスク装置
US7301727B2 (en) * 2001-12-20 2007-11-27 Seagate Technology Llc Return pole of a transducer having low thermal induced protrusion
JP4160784B2 (ja) * 2002-05-31 2008-10-08 株式会社日立グローバルストレージテクノロジーズ 垂直磁気ヘッドおよび垂直磁気記録再生装置
US20030228238A1 (en) * 2002-06-07 2003-12-11 Wenjun Zhang High-PTF sputtering targets and method of manufacturing
JP3799322B2 (ja) * 2002-11-15 2006-07-19 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置
JP3774446B2 (ja) * 2003-04-28 2006-05-17 株式会社東芝 垂直磁気記録ヘッドおよび磁気ディスク装置
JP4211977B2 (ja) * 2003-06-23 2009-01-21 株式会社日立グローバルストレージテクノロジーズ 磁気記録装置、磁気記録媒体及び磁気記録方法
JP2005108315A (ja) * 2003-09-30 2005-04-21 Toshiba Corp 垂直磁気記録方式のディスクドライブ及び磁気ヘッド
JP2005166107A (ja) * 2003-11-28 2005-06-23 Toshiba Corp 垂直記録磁気ディスク装置
US7233457B2 (en) * 2003-12-16 2007-06-19 Seagate Technology Llc Head for perpendicular recording with reduced erasure
US7193815B1 (en) 2004-04-06 2007-03-20 Western Digital (Fremont), Inc. Shielded pole magnetic head for perpendicular recording
KR100682940B1 (ko) * 2005-03-18 2007-02-15 삼성전자주식회사 수직 자기 기록헤드 및 이를 이용한 데이터 기록용기록매체
JP4358279B2 (ja) 2007-08-22 2009-11-04 株式会社東芝 磁気記録ヘッド及び磁気記録装置
US8994587B2 (en) 2010-05-14 2015-03-31 Qualcomm Incorporated Compressed sensing for navigation data
JP2009070439A (ja) * 2007-09-11 2009-04-02 Toshiba Corp 磁気記録ヘッド及び磁気記録装置
JP2009080875A (ja) 2007-09-25 2009-04-16 Toshiba Corp 磁気ヘッド及び磁気記録装置
JP5377893B2 (ja) 2008-06-19 2013-12-25 株式会社東芝 磁気ヘッドアセンブリおよび磁気記録再生装置
JP5361259B2 (ja) 2008-06-19 2013-12-04 株式会社東芝 スピントルク発振子、磁気記録ヘッド、磁気ヘッドアセンブリ及び磁気記録装置
JP2010040060A (ja) * 2008-07-31 2010-02-18 Toshiba Corp 高周波アシスト記録用磁気ヘッドおよびそれを用いた磁気記録装置
JP5558698B2 (ja) 2008-11-28 2014-07-23 株式会社東芝 磁気記録ヘッド、磁気ヘッドアセンブリ、磁気記録装置及び磁気記録方法
WO2011052021A1 (ja) 2009-10-30 2011-05-05 株式会社 東芝 磁気記録装置
JP5606482B2 (ja) 2012-03-26 2014-10-15 株式会社東芝 磁気ヘッド、磁気ヘッドアセンブリ、磁気記録再生装置及び磁気ヘッドの製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6126927A (ja) * 1984-07-17 1986-02-06 Matsushita Electric Ind Co Ltd 磁気記録媒体
KR930009625B1 (ko) * 1984-09-19 1993-10-07 히다찌 마꾸세루 가부시끼가이샤 자기기록매체
JP2524514B2 (ja) * 1987-09-21 1996-08-14 日立マクセル株式会社 磁気記録媒体
JPH02168408A (ja) * 1988-09-19 1990-06-28 Hitachi Ltd 記録再生用磁気ヘッドおよびその製造方法
JP2655379B2 (ja) * 1992-04-02 1997-09-17 富士写真フイルム株式会社 磁気記録ディスク
JP3431265B2 (ja) 1993-03-15 2003-07-28 株式会社東芝 磁気ディスク装置
US5486967A (en) * 1993-03-15 1996-01-23 Kabushiki Kaisha Toshiba Magnetic disk memory system
US5680283A (en) * 1994-09-30 1997-10-21 Kabushiki Kaisha Toshiba Magnetic head and magnetic disk drive
JPH103643A (ja) * 1996-06-12 1998-01-06 Fuji Photo Film Co Ltd ディスク状磁気記録媒体
JPH10283624A (ja) 1997-04-07 1998-10-23 Victor Co Of Japan Ltd 垂直磁気記録媒体及び記憶装置
JPH1166503A (ja) 1997-08-14 1999-03-09 Tdk Corp 垂直磁気記録再生方式
US6194058B1 (en) * 1998-07-31 2001-02-27 Quantegy, Inc. Multi-layer magnetic recording medium, method and system of manufacture
JP4297585B2 (ja) * 2000-02-28 2009-07-15 株式会社日立グローバルストレージテクノロジーズ 磁気記録再生装置

Also Published As

Publication number Publication date
US20010017746A1 (en) 2001-08-30
US7088548B2 (en) 2006-08-08
US20040070869A1 (en) 2004-04-15
JP2001243602A (ja) 2001-09-07
US6657813B2 (en) 2003-12-02

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