JP4144867B2 - 磁気ディスク装置 - Google Patents

磁気ディスク装置 Download PDF

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Publication number
JP4144867B2
JP4144867B2 JP2003138480A JP2003138480A JP4144867B2 JP 4144867 B2 JP4144867 B2 JP 4144867B2 JP 2003138480 A JP2003138480 A JP 2003138480A JP 2003138480 A JP2003138480 A JP 2003138480A JP 4144867 B2 JP4144867 B2 JP 4144867B2
Authority
JP
Japan
Prior art keywords
head
recording
heating
disk
heating element
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
JP2003138480A
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English (en)
Japanese (ja)
Other versions
JP2004134051A (ja
JP2004134051A5 (enExample
Inventor
雄彦 濱口
敦 中村
靖孝 西田
正文 望月
秀樹 澤口
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 JP2003138480A priority Critical patent/JP4144867B2/ja
Priority to US10/633,621 priority patent/US7027248B2/en
Publication of JP2004134051A publication Critical patent/JP2004134051A/ja
Publication of JP2004134051A5 publication Critical patent/JP2004134051A5/ja
Priority to US11/354,912 priority patent/US7545595B2/en
Application granted granted Critical
Publication of JP4144867B2 publication Critical patent/JP4144867B2/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
    • G11B5/48—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
    • G11B5/58—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/105—Mounting of head within housing or assembling of head and housing
    • 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
    • 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
    • G11B5/1272—Assembling or shaping of elements
    • 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
    • G11B5/56—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 with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • 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
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • 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
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
    • 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
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G11B5/2652—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative
    • G11B5/2654—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing
    • 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
    • G11B5/4886—Disposition of heads relative to rotating disc

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP2003138480A 2002-08-09 2003-05-16 磁気ディスク装置 Expired - Fee Related JP4144867B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003138480A JP4144867B2 (ja) 2002-08-09 2003-05-16 磁気ディスク装置
US10/633,621 US7027248B2 (en) 2002-08-09 2003-08-05 Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle
US11/354,912 US7545595B2 (en) 2002-08-09 2006-02-16 Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002232898 2002-08-09
JP2003138480A JP4144867B2 (ja) 2002-08-09 2003-05-16 磁気ディスク装置

Publications (3)

Publication Number Publication Date
JP2004134051A JP2004134051A (ja) 2004-04-30
JP2004134051A5 JP2004134051A5 (enExample) 2006-01-19
JP4144867B2 true JP4144867B2 (ja) 2008-09-03

Family

ID=31497658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003138480A Expired - Fee Related JP4144867B2 (ja) 2002-08-09 2003-05-16 磁気ディスク装置

Country Status (2)

Country Link
US (2) US7027248B2 (enExample)
JP (1) JP4144867B2 (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7230799B2 (en) * 2001-08-20 2007-06-12 Hitachi Global Storage Technologies Electro-thermal micromechanical actuator for finitely positioning a storage device slider and methods of use and manufacture
JP3636133B2 (ja) * 2001-11-29 2005-04-06 Ｔｄｋ株式会社 薄膜磁気ヘッド、該薄膜磁気ヘッドを備えたヘッドジンバルアセンブリ及び該ヘッドジンバルアセンブリを備えた磁気ディスク装置
US7006336B2 (en) * 2002-08-06 2006-02-28 International Business Machines Corporation Magnetic head having a heater circuit for thermally-assisted writing
JP4076434B2 (ja) * 2002-12-12 2008-04-16 株式会社日立グローバルストレージテクノロジーズ 磁気ヘッド及びヘッド・ジンバル・アセンブリ
JP3687650B2 (ja) * 2002-12-19 2005-08-24 Ｔｄｋ株式会社 浮上型薄膜磁気ヘッド
US6940691B2 (en) * 2003-04-30 2005-09-06 Hitachi Global Storage Technologies Netherlands B.V. Electrically resistive heating device for data storage systems
US6956716B2 (en) * 2003-07-30 2005-10-18 Hitachi Global Storage Technologies Netherlands, B.V. Magnetic head having multilayer heater for thermally assisted write head and method of fabrication thereof
JP4291754B2 (ja) * 2004-08-10 2009-07-08 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気ヘッド・スライダおよび磁気ディスク装置
JP2006164414A (ja) 2004-12-08 2006-06-22 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置
US7542243B2 (en) * 2005-02-18 2009-06-02 Seagate Technology Llc Slider with transducing and heating elements formed on trailing end thereof and sharing same thin film structure
US7403354B2 (en) * 2005-02-28 2008-07-22 Seagate Technology Llc Two layer writer heater using writer as one current lead
JP4305856B2 (ja) * 2005-03-30 2009-07-29 富士通株式会社 熱アシスト磁気記録方法
JP2008047268A (ja) * 2006-08-21 2008-02-28 Tdk Corp 熱アシスト磁気ヘッド
JP2008052819A (ja) * 2006-08-24 2008-03-06 Tdk Corp 低温でのノイズを抑制する磁気再生方法
JP4151747B2 (ja) 2006-12-07 2008-09-17 コニカミノルタオプト株式会社 磁気記録装置及び磁気記録ヘッド駆動機構
JPWO2008084551A1 (ja) * 2007-01-12 2010-04-30 東芝ストレージデバイス株式会社 磁気ディスク装置及び磁気ディスク媒体及びヘッド及びトラック追従方法
JP2010009708A (ja) * 2008-06-30 2010-01-14 Showa Denko Kk 磁気記憶装置および記憶媒体
US7969685B2 (en) * 2008-08-13 2011-06-28 Sae Magnetics (Hk) Ltd. ABS design for dynamic flying height (DFH) applications
US8164987B2 (en) * 2008-10-29 2012-04-24 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted magnetic head
JP5138558B2 (ja) * 2008-11-21 2013-02-06 エイチジーエスティーネザーランドビーブイ 磁気記録装置及びその磁気記録方法
JP5235637B2 (ja) * 2008-12-10 2013-07-10 エイチジーエスティーネザーランドビーブイ 磁気ディスク装置及びその制御方法
JP5591592B2 (ja) * 2010-06-01 2014-09-17 日本発條株式会社 ヘッド・サスペンション配線構造
US8699165B2 (en) * 2010-06-30 2014-04-15 HGST Netherlands B.V. Thermal read/write offset compensation
US8289821B1 (en) * 2010-12-21 2012-10-16 Western Digital (Fremont), Llc Method and system for pulsing EAMR disk drives
US8553362B2 (en) 2011-09-06 2013-10-08 HGST Netherlands B.V. Magnetic recording head with adjacent track interference suppresion by novel microwave-assisted magnetic recording element
US9666212B2 (en) 2012-12-05 2017-05-30 Seagate Technology Llc Writer with protruded section at trailing edge
US8811127B1 (en) * 2013-02-22 2014-08-19 Tdk Corporation Magnetic head comprising recording part, reading part, heater for expansion of the recording part, and heater for expansion of the reading part
JP2016054013A (ja) 2014-09-03 2016-04-14 株式会社東芝 磁気ヘッドおよび磁気ディスク装置
US9679588B1 (en) * 2016-01-18 2017-06-13 International Business Machines Corporation Corrosion resistance in air bearing surfaces
US9842614B2 (en) 2016-03-01 2017-12-12 Seagate Technology Llc Heater design for fly height control
JP2022050037A (ja) * 2020-09-17 2022-03-30 株式会社東芝 磁気ディスク装置
JP2025049818A (ja) * 2023-09-22 2025-04-04 株式会社東芝 磁気記録再生装置、及びその調整方法

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JP2581603B2 (ja) 1990-02-19 1997-02-12 株式会社日立製作所 ディスク記録装置
JP2769025B2 (ja) 1990-06-15 1998-06-25 シャープ株式会社 磁気ヘッド及びその製造方法
JP3072014B2 (ja) * 1995-02-10 2000-07-31 富士通株式会社 記憶装置
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US7006336B2 (en) * 2002-08-06 2006-02-28 International Business Machines Corporation Magnetic head having a heater circuit for thermally-assisted writing
JP4076434B2 (ja) * 2002-12-12 2008-04-16 株式会社日立グローバルストレージテクノロジーズ 磁気ヘッド及びヘッド・ジンバル・アセンブリ
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Also Published As

Publication number Publication date
US20040027709A1 (en) 2004-02-12
JP2004134051A (ja) 2004-04-30
US7545595B2 (en) 2009-06-09
US7027248B2 (en) 2006-04-11
US20060132957A1 (en) 2006-06-22

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